0 4-YEAR DIPLOMA-IN-ENGINEERING PROGRAM ELECTRICAL TECHNOLOGY SYLLABUS THIRD SEMESTER 1 2731 ELECTRICAL APPLIANCES T 1 P C 3 2 AIMS • To develop understanding and skill on the construction and operation of electrical appliances based on heating principle. • To develop understanding and skill on the construction and operation of appliances operated by electric motor. • To enable to acquire skill/competence in diagnosing/localizing faults and repairing & servicing of electrical appliances. SHORT DESCRIPTION Electric iron; Electric heater; Microwave oven; Rice cooker; Electric fan; Rechargeable lamp; Vacuum Cleaner; Blower; Dehumidifier; Blender; Washing machine; Water pump; Refrigerator; Air conditioner; Lift and escalator. DETAIL DESCRIPTION Theory : 1 Understand the basic principle of electric appliances. 1.1 State the meaning of electric appliances. 1.2 List the names of appliances based on heating principles. 1.3 List the names of the appliances operated by electric motor. 1.4 State the related codes of electric heating appliances. 2 Understand the working principle of electric iron. 2.1 Name different types of electric irons. 2.2 Differentiate between an ordinary and an automatic electric iron. 2.3 Identify different parts of an electric iron. 2.4 Sketch the circuit diagram of an electric iron. 2.5 Explain the operating principles of an electric iron. 2.6 Explain the operation of thermostat in an automatic electric iron. 2.7 List the possible faults and their causes and remedies of an electric iron. 3 Understand the working principle of electric heater. 3.1 List different types of electric heater. 3.2 List different parts of a room heater, surface heater and water heater. 3.3 Explain the function of heat reflector and guard wire in a room heater. 3.4 List the possible faults and their causes and remedies of an electric heater. 2 4 Understand the working principle of microwave oven. 4.1 Describe the function of a microwave oven. 4.2 List the main parts of a microwave oven. 4.3 List different parts of heat control and timer in an oven. 4.4 Describe the function of heat control and timer in an oven. 4.5 Sketch the electrical circuit diagram of a microwave oven. 4.6 List the possible faults and their causes and remedies of a microwave oven. 5 Understand the working principle of rice cooker. 5.1 Describe the function of a rice cooker. 5.2 List the main parts of a rice cooker. 5.3 Explain the function of different parts of a rice cooker. 5.4 List the possible faults and their causes and remedies of a rice cooker. 6 Understand the working principle of ceiling fan. 6.1 Describe the function of a ceiling fan. 6.2 Name different types of ceiling fan. 6.3 List different parts of a ceiling fan. 6.4 Sketch the circuit diagram of a ceiling fan showing the connection of windings, capacitor and regulator. 6.5 List the possible faults and their causes and remedies of a ceiling fan. 7 Understand the working principle of table fan/pedestal fan. 7.1 Describe the function of a table fan/pedestal fan. 7.2 List different parts of a table fan/pedestal fan. 7.3 Sketch the circuit diagram of a table fan/pedestal fan. 7.4 Explain the oscillatory mechanism of a table fan/pedestal fan. 7.5 List various components of an electronic fan regulator. 7.6 Explain the operation of an electronic fan regulator. 7.7 List the possible faults and their causes and remedies of a table fan/pedestal fan. 8 Understand the features of a rechargeable (emergency) lamp. 8.1 Explain the working principle of a rechargeable lamp. 8.2 Name the different parts of a rechargeable lamp. 8.3 Sketch the circuit diagram of a rechargeable lamp. 8.4 Explain the principle of operation of a rechargeable DC fan. 8.5 List the possible faults and their causes and remedies of a rechargeable lamp. 3 9 Understand the features of a vacuum cleaner. 9.1 Explain the working principle of a vacuum cleaner. 9.2 Name the different parts of a vacuum cleaner. 9.3 Sketch the circuit diagram of a vacuum cleaner. 9.4 List the possible faults and their causes and remedies of a vacuum cleaner. 10 Understand the features of an electric blower. 10.1 Explain the working principle of an electric blower. 10.2 Name the different parts of an electric blower. 10.3 Sketch the circuit diagram of an electric blower. 10.4 List the possible faults and their causes and remedies of a electric blower. 11 Understand the features of a de-humidifier. 11.1 Explain the principle of operation of a dehumidifier. 11.2 Name different parts and their function of a dehumidifier. 11.3 Sketch the circuit diagram of a de-humidifier. 11.4 List the possible faults and their causes and remedies of a de-humidifier. 12 Understand the features of a blender. 12.1 Explain the principle of operation of a blender. 12.2 List the different parts of a blender. 12.3 Sketch the electric circuit of a blender. 12.4 State the function of the timer in a blender. 12.5 List the possible faults and their causes and remedies of a blender. 13 Understand the features of a washing machine. 13.1 Explain the principle of operation of a washing machine. 13.2 List the different parts of a washing machine. 13.3 Explain the function of the timer in a washing machine. 13.4 Explain complete washing cycle of a washing machine. 13.5 List the possible troubles and their causes and remedies of a washing machine. 14 Understand the features of a water pump. 14.1 Explain the principle of operation of a water pump. 14.2 State the specification of a water pump. 14.3 List different parts with their function. 14.4 Sketch the connection diagram of pump motor. 14.5 Explain different types of motor starter used in water pump. 4 14.6 14.7 List the possible troubles and their causes and remedies of a water pump. Sketch the circuit diagram of a water level controller. 15 Understand the features of a refrigerator. 15.1 Explain operating principle of a refrigerator. 15.2 Sketch the refrigeration cycle. 15.3 Draw the electrical circuit of a refrigerator. 15.4 Explain the function of different components of refrigerator. 15.5 List the possible faults and their causes and remedies of a refrigerator. 16 Understand the features of an air conditioner. 16.1 State the principle of operation of an air conditioner. 16.2 List different parts of an air conditioner. 16.3 Explain the function of filter, ducts and grills, air-conditioning circuit, control, cooling unit and electrical control unit. 16.4 Draw the electrical circuit of an air conditioning unit. 16.5 List the possible electrical faults and their causes and remedies of an air conditioner. 17 Understand the features of a lift. 17.1 Explain principle of operation of a lift. 17.2 List the different components of a lift. 17.3 Mention specification of a common type of lift. 17.4 Describe the steps of installation of a lift. 17.5 Explain the motor generally used in a lift and its control. 17.6 List possible faults and their causes and remedies of a lift. 18 Understand the features of an escalator. 18.1 Explain principle of operation of an escalator. 18.2 State the working principle of escalator. 18.3 List the main parts of an escalator. 18.4 Name the electric motor generally used in escalator. 18.5 Describe the steps of installation of an escalator. Practical : 1 Perform maintenance and servicing an electric iron. 1.1 Select the equipment and tools necessary for disassembling and servicing an electric iron. 1.2 Disassemble the electric iron. 1.3 Sketch the different parts of the electric iron. 5 1.4 1.5 1.6 1.7 Observe the heating element and operation of thermostat in the electric iron. Diagnose the possible problems in the electric iron. Repair or replace the defective parts, if any. Reassemble the parts and connect the iron to the power source. 2 Perform maintenance and servicing of different types of electric heaters. 2.1 Disassemble the different parts of the electric heater. 2.2 Sketch the main parts of the electric heater. 2.3 Sketch the circuit diagram of a single throw and a double throw thermostatic control electric heater. 2.4 Identify the possible troubles in a heater with causes and remedies. 2.5 Repair or replace the defective parts of the heater, if any. 2.6 Reassemble the parts of the heater. 2.7 Connect the heater to service. 3 Perform maintenance and servicing of a microwave oven. 3.1 Disassemble the microwave oven. 3.2 Sketch the main parts of the microwave oven. 3.3 Make a visual study and test the different parts. 3.4 Sketch the electrical circuit diagram of the microwave oven. 3.5 List possible troubles with causes and remedies of a microwave oven. 3.6 Assemble the parts and connect the oven to the power source. 3.7 Observe the operation. 4 Perform repair and maintenance of a rice cooker. 4.1 Disassemble the parts of the rice cooker. 4.2 Sketch the main parts of the rice cooker. 4.3 Identify possible troubles with causes and remedies of a rice cooker. 4.4 Assemble the parts of the rice cooker. 4.5 Connect the cooker to the power source. 5 Perform repair and maintenance of a ceiling fan. 5.1 Select necessary tools required in disassembling and assembling the fan. 5.2 Disassemble the ceiling fan. 5.3 Sketch the main parts of the ceiling fan. 5.4 Make a visual study of the windings, rotor, armature and bearings. 5.5 Perform continuity and insulation test of the winding. 5.6 Test the fan capacitor. 5.7 Reassemble the parts of the fan. 6 5.8 5.9 Connect the fan to the power source. Observe the operation. 6 Perform repair and maintenance of an oscillatory type fan. 6.1 Disassemble the different parts of the table fan/pedestal fan. 6.2 Observe the oscillatory mechanism of the oscillating type of fan. 6.3 Sketch the different parts of the fan. 6.4 Assemble the fan and connect to the power supply. 6.5 Observe the operation. 7 Perform repair and maintenance of a rechargeable (emergency) lamp. 7.1 Disassemble the rechargeable (emergency) lamp. 7.2 Sketch the different parts of the rechargeable lamp. 7.3 Test the battery of the lamp. 7.4 Check the parts to ensure its sound condition. 7.5 Repair and replace the defective parts, if any. 7.6 Reassemble the lamp and connect to the power source. 7.7 Observe the charging and discharging condition. 8 Perform repair and maintenance of an electric blower. 8.1 Disassemble the parts of the electric blower. 8.2 Sketch the main parts of the electric blower. 8.3 Check the parts to ensure the sound condition. 8.4 Repair or replace the defective parts, if any. 8.5 Reassemble the parts. 8.6 Connect the appliances to the power source. 8.7 Observe the operation. 9 Perform repair and maintenance of a vacuum cleaner. 9.1 Disassemble the parts of the vacuum cleaner. 9.2 Sketch the main parts of the vacuum cleaner. 9.3 Check the parts to ensure the sound condition. 9.4 Repair or replace the defective parts, if any. 9.5 Reassemble the parts. 9.6 Connect the appliances to the power source. 9.7 Observe the operation. 10 Study a dehumidifier. 10.1 Disassemble the dehumidifier. 10.2 Sketch the main parts of the dehumidifier. 10.3 Identify the major troubles with remedies. 7 10.4 10.5 10.6 Reassemble the parts. Connect the dehumidifier to the power supply. Observe the operation. 11 Perform repair and maintenance of a blender. 11.1 Disassemble the blender. 11.2 Sketch the main parts. 11.3 Identify the major faults generally occurred in a blender. 11.4 Assemble the blender. 11.5 Connect the blender to the power supply. 11.6 Observe the operation. 12 Perform repair and maintenance of a washing machine. 12.1 Identify the main parts of the washing machine. 12.2 Sketch the main parts of the washing machine. 12.3 Sketch the electrical circuit of the washing machine. 12.4 Draw the complete washing cycle of washing machine. 12.5 Dissemble the major components. 12.6 Make a visual observation. 12.7 Reassemble the parts. 12.8 Connect the washing machine to the power supply. 12.9 Observe the operation. Perform repair and maintenance of a water pump. 13.1 Disassemble the different parts of the water pump. 13.2 Sketch the different parts of the pump and motor. 13.3 Check the insulation resistance of the driving motor. 13.4 Test the continuity and earthling of the driving motor. 13.5 Assemble the pump. 13.6 Observe the operation of pump and method of control against overflow from tank. 13 14 Perform repair and maintenance of electrical components of a refrigerator. 14.1 Identify the different parts of the refrigerator. 14.2 Identify the electrical components of the refrigerator. 14.3 Sketch the wiring circuit showing electrical control system. 14.4 Note down the maintenance procedure of a refrigerator. 14.5 Disassemble and assemble the thermostat control. 14.6 Connect into the power source. 14.7 Observe the operation. 8 15 Perform repair and maintenance of electrical components of airconditioner. 15.1 List the main parts of the air-conditioner. 15.2 Sketch the main section namely fan with motor, filter, ducts and grill, air conditioning control, cooling unit and electrical control unit. 15.3 Sketch the wiring diagram. 15.4 Disassemble and assemble the electrical components of the air conditioner. 15.5 Connect the air conditioner to the power supply. 15.6 Observe the operation. 16 Perform operation and maintenance of a lift. 16.1 Visit a nearby establishment where a lift is available. 16.2 Note down the different specifications of the lift. 16.3 Observe the operating principle of the lift. 16.4 Sketch different components of the lift. 16.5 Identify the possible troubles and their remedies. 17 Perform operation and maintenance of an escalator. 17.1 Visit a nearby establishment where an escalator is available. 17.2 Note down the different specification of the escalator. 17.3 Observe the operating principle. 17.4 Sketch the different components of the escalator. 17.5 Identify the possible troubles and their causes and remedies of an escalator generally occurred. REFERENCE BOOK 1. Home appliances Servicing – Edwin P. Anderson. 9 2732 ELECTRICAL CIRCUITS – II T 2 P C 3 3 AIMS • To provide knowledge and skill (to apply complex algebra) for the solution of AC circuits. • To develop concept on poly phase balanced power system. • To assist in acquainting the concept of poly phase unbalanced power system. • To acquire skill in measuring line and phase quantities in three phase supply. SHORT DESCRIPTION Complex algebra − application to AC circuits; RLC series circuits; RLC Parallel circuits; series resonance; Parallel resonance ; Expression for power and VAR; Poly phase system – 3-phase interconnection; Star connected system; Delta connected system; Balanced Power System; Unbalanced power system. DETAIL DESCRIPTION Theory : COMPLEX ALGEBRA 1. Understand the application of complex algebra in AC circuit. 1.1. Describe the term complex algebra. 1.2. Explain the “J” operator of complex algebra. 1.3. State the Cartesian form of notation. 1.4. State the polar form of notation. 1.5. Explain the relation between rectangular form and polar form vectors. 1.6. Solve problems on conversion of the polar form to the rectangular form of notation and vice versa. 1.7. Solve problems on addition and subtraction of vectors applying rectangular form of notation and polar form of notation. 2. Understand the application of complex algebra to RLC series circuit. 2.1. Apply the rectangular form of notation and polar form of notation in multiplication and division of complex algebra. 2.2. Solve problems on RLC series circuit in rectangular form of notation and polar form of notation. 2.3. Draw vector diagram of RLC series circuit. 2.4. Find the impedance, current and voltage drop in RLC series circuit. 2.5. Draw impedance triangle of RLC series circuit. 10 3. Understand the principle of resonance in series circuit. 3.1. State resonance. 3.2. State resonance in series circuit. 3.3. State various ways of securing resonance in series circuit. 3.4. Explain resonance with curve when varying frequency. 3.5. Determine resonance frequency in series circuit. 4. Understand the application of complex algebra in RLC parallel circuit. 4.1. Compute the value of parameters of RLC parallel circuit in rectangular form of notation and polar form of notation. 4.2. Draw vector diagram of RLC parallel circuit. 4.3. Solve problems on RLC parallel circuit. 4.4. Solve problems on RLC series parallel AC circuit in rectangular form of notation and polar form of notation. 4.5. Define admittance, susceptance and conductance. 4.6. Mention the units of admittance, susceptance and conductance. 4.7. Find the impedance, admittance, current and voltage in RLC parallel circuit. 4.8. Draw impedance/admittance triangle of RLC parallel circuit. 4.9. Solve problems on series parallel AC circuit in rectangular form of notation and polar form of notation. Apply the principle of resonance in parallel circuit. 5.1. State resonance in parallel circuit. 5.2. Describe the resonant curve and bandwidth in parallel resonance. 5.3. Determine the resonance frequency in parallel circuit with R-L and RC branch. 5.4. State the condition for resonance in parallel circuit with L & R in one branch and C only in other. 5.5. Show the graphical representation of parallel resonance. Understand the concept of power calculation on AC circuit. 6.1. Express the calculation of power employing complex form. 6.2. Calculate VAR employing complex form. 6.3. Explain the conjugate method of calculating real & reactive power. 6.4. Sketch wave diagram for power of different AC circuits. 5. 6. POLYPHASE SYSTEM 7. Understand the concept of poly phase power system. 7.1. Explain the term poly phase AC system. 7.2. List the advantages of poly phase power system over single-phase power system. 7.3. State the generation of poly phase emf. 7.4. Sketch the wave diagram for a poly phase power system. 7.5. Draw vector diagram for a poly phase power system. 11 8. Understand the concept of expressing poly phase power system. 8.1. State the meaning of double subscript notation. 8.2. Identify the phase sequence of poly-phase system. 8.3. State the effects of reverse phase sequence. 8.4. Explain the methods of checking phase sequence. 8.5. Sketch the phase sequence diagram of 3-phase power system. 9. Understand the concept of poly phase for interconnection. 9.1. State possible ways of interconnection of 3-phase power system. 9.2. Sketch the circuit diagram of star connected 3-phase 3-wire system. 9.3. List the application of 3-phase 3-wire star connected power system. 9.4. Sketch the circuit diagram of 3-phase 4-wire star connected power system. 9.5. List the application of 3-phase 4-wire star connected power system. 9.6. Draw the vector diagram of 3-phase 4-wire star connected power system. 9.7. Express the relation between line and phase quantities of voltage and current in a balanced 3-phase 3-wire star connected power system. 9.8. Simplify the relation between line and phase quantities of voltage and current in a balanced 3-phase 4-wire star connected power system. 10. Understand the concept of star connected power system. 10.1. Identify neutral wire in a 3-phase star connected system. 10.2. Express the current in the neutral wire in an unbalanced 3-phase 4wire star connected system. 10.3. Draw the phasor diagram of 3-phase 4-wire star connected system. 10.4. Express the formulae IL = IP and VL = 3 Vp 10.5. Calculate volt-ampere, power and power factor in a balanced 3-phase 4-wire star connected power system. 10.6. Solve problems on star connected (balanced and unbalanced) power system. 11. Understand the concept of delta connected power system. 11.1. Sketch the circuit diagram of 3-phase delta connected power system. 11.2. Draw the vector diagram of a 3-phase delta connected power system. 11.3. Express the deduction of the formula VL = VP and IL = 3 IP for delta connected power system. 11.4. Express the relation between line and phase current & voltage in a delta connected power system. 11.5. Calculate the volt-ampere, power and power factor in a 3-phase delta connected power system. 11.6. Solve problems on delta connected balanced power system. 12 11.7. 12. Compare the advantages of star connected system with those of delta connected power system. Understand the concept of unbalanced power system. 12.1. State the meaning of unbalanced power system. 12.2. Explain Fortescue`s theorem. 12.3. Explain the positive sequence power system. 12.4. Explain the negative sequence power system. 12.5. Explain the zero sequence power system. 12.6. Explain the neutral current of unbalanced system. 12.7. Solve problems related to unbalanced system. Practical : 1 Demonstrate poly-phase system and phase sequence. 1.1 Sketch the circuit diagram of poly-phase system and phase sequence. 1.2 Select equipment, tools and materials for the experiment. 1.3 Switch on the poly-phase system of your laboratory. 1.4 Measure the phase voltages by voltmeter. 1.5 Observe the phase voltages by oscilloscope. 1.6 Compute phase sequence. 1.7 Note down the observations. 2 Measure line and phase voltage & current in 3-phase star connected inductive load. 2.1 Sketch the circuit diagram for 3-phase star connected load. 2.2 Select the tools, instrument and materials required for the experiment. 2.3 Connect the circuit according to the circuit diagram. 2.4 Check all connection points before connecting the power supply to the circuit. 2.5 Record the readings of the instruments. 2.6 Compare the recorded values with calculated values. 2.7 Note down the observations. 3 Measure line and phase current & voltage in 3-phase delta connected inductive load. 3.1 Sketch the circuit diagram for 3-phase delta connected load. 3.2 List the tools, instrument and materials required for the experiment. 3.3 Connect the circuit according to the circuit diagram. 3.4 Check all connection points before connecting the power supply to the circuit. 3.5 Record the readings of instruments. 3.6 Compare the recorded values with calculated values. 13 3.7 Note down the observations. 4 Measure current and voltage in a RLC series circuit and drawing vector diagram. 4.1 Sketch the circuit diagram for 3-phase delta connected load. 4.2 Select the tools, instruments and materials required for the experiment. 4.3 Connect the circuit according to the circuit diagram. 4.4 Check all connection points before connecting the power supply to the circuit. 4.5 Record the readings of instruments. 4.6 Compare the recorded values with calculated values. 4.7 Note down the observations. 5 Construct vector diagram by measuring current and voltage in a RLC parallel circuit. 5.1 Sketch the circuit diagram for 3-phase delta connected load. 5.2 Select the tools, instrument and materials required for the experiment. 5.3 Connect the circuit according to the circuit diagram using proper equipment. 5.4 Check all connection points before connecting the power supply to the circuit. 5.5 Record the readings of instruments. 5.6 Compare the recorded values with calculated values. 5.7 Note down the observations. 6 Construct vector diagram by measuring current, voltage and power in a balanced 3-phase star connected inductive load. 6.1 Sketch the circuit diagram for measuring power by 3-watt meters of a 3-phase star connected system. 6.2 Select equipment, tools and materials required for the experiment. 6.3 Connect the circuit according to the circuit diagram using proper equipment. 6.4 Check all connection points, equipment and instruments before actual operation. 6.5 Record the readings from the meters connected in the circuit. 6.6 Calculate the power from the formula Pt = W1 + W2 + W3 and 3VpIp Cos θ 6.7 Draw the vector diagram using relevant data as obtained. 6.8 Note down the observations. 7 Construct vector diagram by measuring current, voltage and power in a balanced 3-phase delta connected inductive load. 7.1 Sketch the circuit diagram for measuring power by 3-watt meter method in a 3-phase delta connected load. 7.2 Select equipment, tools and materials for the experiment. 7.3 Connect the circuit according to the circuit diagram. 7.4 Check all connections before actual operation. 14 7.5 7.6 8 9 Record the reading from the meters used in the circuit. Calculate the power from the formula Pt = W1 + W2 + W3 and Pt = 3 VLIL Cosθ 7.7 Draw the vector diagram using relevant data. 7.8 Note down the observations. Measure power and neutral current in a 3-phase, 4-wire unbalanced system. 8.1 Sketch the circuit diagram for measuring power and neutral current in a 3-phase 4-wire unbalanced load. 8.2 Select equipment, tools, instrument and materials for the experiment. 8.3 Construct the circuit according to the circuit diagram. 8.4 Check all connections & instruments before actual operation. 8.5 Record the readings from the meters used in the circuit. 8.6 Calculate the power and neutral current. 8.7 Calculate the phase angles. 8.8 Note down the observations. Measure line and phase voltage and current of a 3-phase star connected capacitive load. 9.1 Sketch the circuit diagram for measurement of line and phase voltage and current of a 3-phase star connected capacitive load. 9.2 Select equipment, tools and materials required for the experiment. 9.3 Construct the circuit as per diagram with proper instrument. 9.4 Record the readings from the meters used in the circuit. 9.5 Calculate the line and phase voltage & current from the formula IL = IP and VP = 9.6 VL 3 Note down the observations. 10 Measure line and phase current and voltage in 3-phase delta connected capacitive load. 10.1 Sketch the circuit diagram for measuring line and phase voltage and current of a balanced 3-phase delta connected capacitive load. 10.2 Select tools, instruments and materials required for the experiment. 10.3 Build up the circuit according to the circuit diagram. 10.4 Record the readings from the meters. 10.5 Calculate the line and phase voltage and current from the formula VL = VP and IL = 3 IP. 10.6 Note down the observations. 11 Measure 3-phase power by 3-watt meter method in a balanced 3-phase star connected capacitive load. 11.1 Sketch the circuit diagram for measuring 3-phase power by 3-watt meter method of a balanced 3-phase star connected capacitive load. 11.2 Select tools, instrument and materials required for the experiment. 15 11.3 11.4 11.5 11.6 11.7 11.8 12 13 Build up the circuit according to the circuit diagram. Check all connections before actual operation. Record the readings from the meters. Calculate the power from the formula Pt = W1 + W2 + W3 and Pt = 3 VLILCosθ Draw the vector diagram using relevant data as obtained. Note down the observations. Measure 3-phase power by 3-watt meter method in a balanced 3-phase delta connected capacitive load. 12.1 Sketch the circuit diagram for measuring 3-phase power by 3-watt meter method in a balanced 3-phase delta connected capacitive load. 12.2 Select equipment, tools and materials required for the experiment. 12.3 Connect the circuit according to the circuit diagram. 12.4 Check all connection points before connecting to the power supply. 12.5 Record the readings from the meters. 12.6 Calculate the power from the formula Pt = W1 + W2 + W3 and Pt = 3 VLILCosθ 12.7 Draw the vector diagram using relevant data as obtained. 12.8 Note down the observations. Perform star-delta conversion in a power system. 13.1 Draw the circuit diagram of a balanced 3-phase star and delta connection. 13.2 Select equipment, tools and materials for the experiment. 13.3 Build up the circuit for star connection. 13.4 Check all connection points before actual operation. 13.5 Record the readings form the meters connected in the circuit. 13.6 Calculate the equivalent values of impedance in delta connection. 13.7 Build up a circuit with equivalent values of impedance in delta connection. 13.8 Record the reading for delta connection. 13.9 Compare the result. 13.10 Note down the observations. REFERENCE BOOKS 1. 2. 3. A text book of Electrical Technology – B. L Theraja. Introduction to Electrical Engineering – V. K. Mehta. AC Circuit – Corcoran. 16 2733 ELECTRICAL ENGINEERING DRAWING T 0 P C 3 1 AIMS • To acquaint with electrical engineering drawings. • To develop skill in drawing simple steel structures used in electrical engineering. • To develop skill in drawing the symbols for electrical components/equipment. • To develop skill in drawing the layout diagram of overhead distribution lines. • To develop skill in drawing the layout diagram of a small sub-station. • To enable to interpret the electrical layout diagram of a residential building. SHORT DESCRIPTION Drawing of steel structure for electrical work; Drawing (elevation, plan and section) of electrical transmission and distribution line structure; Drawing of street lighting pole; Drawing of symbols used in electrical planning; Drawing of insulator used in overhead line; Drawing of pole mounted sub-station; Drawing of LT distribution line; Drawing single line diagram of a small residential building. DETAIL DESCRIPTION 1 Develop the drawing of a steel structure of an electrical installation. 1.1 Draw a plan and sections of a piece of steel angle. 1.2 Draw a plan and sections of a simple structure made of channels bolted and welded. 1.3 Draw a plan and section of a sheet steel box with cover widely used in house wiring for switch boards and distribution boards. 2 Develop the drawing of an electrical distribution line structure. 2.1 Draw the elevation, plan and section of a tubular steel pole used in LT distribution line. 2.2 Draw the elevation, plan and section of a concrete pole (RCC/PCC) of the following cross sections. • Circular • I-shaped • Rectangular 2.3 Draw the elevation plan and section of a wooden pole used in rural electrification. 17 3 Develop the drawing of an electrical transmission line structure. 3.1 Draw a 33KV transmission line structure. 3.2 Draw a 132 KV transmission line tower with cross-arm and insulator. 3.3 Draw a 132KV or 230 KV double circuit transmission line tower with cross-arm, insulator and conductor. 4 Develop the drawing of a street-lighting pole widely used in Bangladesh. 4.1 Draw a street lighting pole with arm. 4.2 Draw the lighting fixture in the pole. 4.3 Draw a full guy assembly in the pole. 5 Construct the symbols for the equipment, fittings and fixtures commonly used in electrical installations. 5.1 Draw the symbols for the following fittings and fixtures commonly used in electrical installation. • • • • • • • • • • • Lamp (incandescent, fluorescent) Lamp outlet Ceiling rose Socket outlet (2-pin & 3-pin) Single way switch Two way switch Intermediate switch TP switch Change over switch Ceiling fan Fan regulator • Choke coil • • • • • • • • • Starter (for tube light) Cartridge fuse Rewirable fuse Calling bell MCB MCCB Magnetic contactor Indicating lamp Earthing Micro switch Exhaust fan • Draw the symbols for the following equipment used in electrical installation. • • • OCB/VCB/CB Transformer Motor (DC, AC) (3-phase & 1-phase) • • • • Relay Battery Limit switch Rectifier unit 18 • • Generator Motor starter • • Isolator Lightning arrestor 6 Develop the drawing of insulators used in transmission and distribution line. 6.1 Draw the elevation, plan and section of a standard suspension type insulator. 6.2 Draw the elevation, plan and section of a 11 KV pin type insulator. 6.3 Draw the elevation plan and section of a shakle insulator used in LT distribution line. 7 Develop the plan of a pole mounted sub-station. 7.1 Draw the plan of a H-type pole structure. 7.2 Draw a transformer on the middle limb of the structure. 7.3 Sketch the dropout fuses on the top of the transformer. 7.4 Show the gang operated (GO) switch. 7.5 Show the incoming and outgoing lines. 8 Develop the drawing of a LT distribution line (11KV/0.4KV) 8.1 Draw the layout plan of a LT distribution line. 8.2 Draw the section of a pole showing the conductors. 8.3 Identify the line, neutral, earth and street lighting conductors. 9 Construct an electrical layout diagram and circuit diagram of a residential building. 9.1 Draw a layout diagram of a small residential building. 9.2 Show the electrical fittings and fixtures on the layout plan. 9.3 Show the switch boards, distribution boards, energy meter and protective devices in the section plan. 9.4 Sketch the section of the distribution board. 9.5 Sketch the section of a switch board. 19 2612 COMPUTER OPERATION & WORD PROCESSING T 0 P C 3 1 AIMS • To develop skill to use computer and computer operating system. • To provide skill in using word processing software packages to produce documents, etc. SHORT DESCRIPTION Computer Hardware System; Operating Systems; Operating system environment; Customizing and configuring operating System; Disk utilities; Utility software and Anti viruses; Fundamentals of word processing, Create simple document, Print and preview the document; Manage files; Format the documents; Merge files. DETAIL DESCRIPTION [ THE FOLLOWING EXPERIMENTS ARE GIVEN IN IBM COMPUTERS. SIMILAR EXPERIMENTS ARE EXPECTED TO BE PERFORMED IN APPLE MACINTOSH COMPUTERS ] COMPUTER FUNDAMENTALS AND OPERATING SYSTEM 1. Show skill in computer hardware maintenance and cabling system. 1.1. Identify the basic PC equipment and its connection. 1.2. Demonstrate the operation & function of commonly used I/O devices. 1.3. Demonstrate the maintenance of the keyboard, mouse, monitor and printer. 1.4. Identify secondary storage devices & demonstrate the maintenance of the devices. 1.5. Clean floppy disk drive, CD drive, monitor, keyboard, etc. 1.6. Identify the allied equipment used with PC system(UPS, Stabilizer and IPS). 1.7. Make the cable connection of PC system, UPS and printer with power line. 1.8. Turn ON the power switch and demonstrate booting effect of PC system. 2. Exercise on windows operating system environment. 2.1. Show the windows screen and identify each item on desktop. 2.2. Show the function of start button & taskbar. 2.3. Start and quit programs. 2.4. Switch between programs. 2.5. Open and close a document. 2.6. Find something using find command. 2.7. Start a program by using run command. 20 3. Exercise on customizing and configuring windows operating system. 3.1. Change system setting (say, system date, time, password, etc). 3.2. Configure the taskbar, shortcuts, desktop items, etc. 3.3. Install driver software & configure printer, plotter, mouse & other 3.4. PC equipment. 3.5. Use windows explorer for copy, move, delete or rename files and folder. 3.6. Add items to the start menu. 3.7. Create a shortcut on the desktop. 3.8. Customize windows i.e. desktop colors, patterns, wallpaper, screen saver, etc. 4. Practice on advance features of windows operating system and disk utilities. 4.1. Organize files & folders (i.e. move, copy, delete files and folders & create new folder). 4.2. Use windows efficiently (i.e. copying, moving files quickly). 4.3. Organize your applications into groups (i.e. creating & deleting a group). 4.4. Install a new application program. 4.5. Back up, compare and restore files. 4.6. Freeze disk space (i.e. check your system’s disk space, delete unnecessary files). 4.7. Identify computer’s memory configuration. 5. Exercise on DOS operating system fundamentals. 5.1. Restart the computer in MS-DOS mode. 5.2. Show internal & external DOS commands. 5.3. Get help with dos command. 5.4. Show file size and date of creation. 5.5. Create, delete and view directories. 5.6. Change directories. 5.7. Use wildcard characters in DOS command. 6. Show skill in managing disks. 6.1. Format and unformat a disk. 6.2. Create a system disk. 6.3. Label a disk. 6.4. Make a backup disk. 6.5. Restore directories and files. 6.6. Recover files from defective disks. 7. Show skill in working with files. 7.1. View text files. 21 7.2. 7.3. 7.4. 7.5. 7.6. 8. Copy files (copy a single file, a group of files). Rename a file. Delete files (delete a single file, a group of files). Copy directories & sub directories. Show directories such as directory tree, directory names, paths, and the current directory. Show skill in working with utilities software and anti viruses. 8.1. Run anti virus software (say Toolkit, Norton Anti virus, PC cillin, etc.) and scan for viruses. 8.2. Protect the computer from viruses. 8.3. Run utility software such as PC Tools, NC, NU, etc. 8.4. Use utility software for copying, renaming, deleting and moving folders or files. 8.5. Develop keyboard skills by standard touch typing rules using typing tutor packages. WORD PROCESSING 9. Exercise on creating a simple document using word processor. 9.1. Start a windows based word processor and identify the different parts of the opening screen. 9.2. Type text, edit (insert, replace, delete, etc) text using word processor. 9.3. Select text (i.e. select entire words/ lines /sentences / paragraphs and variable unit of text). 9.4. Delete text (use undo, redo & repeat command). 9.5. Modify the appearance of text (using toolbars, menus & keyboard shortcuts). 9.6. Save the work then quit & restart word. 9.7. Copy, move, delete text ( use copy- paste, cut-paste and drag-anddrop command). 9.8. Copy from one word document to another. 9.9. Use key combinations for typing special characters. 9.10. Use word’s menus without a mouse. 10. Exercise on viewing and navigating, previewing & printing. 10.1. Scroll in window using scroll arrows, scroll bars & scroll boxes. 10.2. Navigate with keyboard. 10.3. Edit text in different view. 10.4. Show header & footer in page layout view. 10.5. Show paragraph marks, spaces, etc. 10.6. Make zoom. 10.7. Chose a printer and use print dialog box options (what to print, copies of page, range, etc) to print the current document. 10.8. Show, use and leave print preview. 22 10.9. Enable background printing, abort printing and check the status of a print job. 11. Practice on working with graphics. 11.1. Import graphics using insert picture command. 11.2. Use clipboard to insert art. 11.3. Resize graphics, crop graphics with mouse and with picture command. 11.4. Add white space around graphics and label graphics in word using callout. 11.5. Create text in drawing. 11.6. Increase and decrease white space between the text & text box lines. 11.7. Eliminate text box lines. 11.8. Group, ungroup, rotate & flip objects. 11.9. Fill drawn items with different color, change line styles, arrow heads, line colors & shades of gray. 12. Exercise on managing files. 12.1. Open previously saved documents. 12.2. Open documents from or within word. 12.3. Open non-word documents. 12.4. Open documents as read only. 12.5. Find files, searching by file names, dealing with large lists, searching inside documents. 12.6. Save under a different file name and save to other locations. 12.7. Save in non-word formats. 12.8. Make backup files for safe keeping and recover damaged file. 13. Show skill on formatting a document. 13.1. Change document margins. 13.2. Set margin with the page setup dialog box. 13.3. Drag margins in print preview. 13.4. Print in the margins. 13.5. Repaginate documents. 13.6. Force page breaks and force paragraphs to start on a new page. 13.7. Move and delete page breaks. 13.8. Keep things (lines, paragraphs, etc.) together on a page. 14. Show skill in selecting characters and fonts. 14.1. Format the character with the formatting toolbar. 14.2. See which characters format is at work. 14.3. Create and use different options of font dialog box. 23 14.4. 14.5. Create keyboard shortcuts for character formatting. Underline text (double, single, dotted, etc.) and create bold italicized character. 14.6. Expand and condense character spacing. 14.7. Create superscripts and subscripts and color character. 14.8. Demonstrate the change case command. 14.9. Remove and toggle to remove character formatting. 14.10. Type special characters and symbols using the symbol command. 14.11. Bullet the existing paragraphs. 14.12. Type new bullet lists, change bullet styles and specify custom bullets. 15. Exercise on paragraphs, Line spacing, borders and shading. 15.1. Create paragraphs and split text into multiple paragraph. 15.2. Join and delete paragraphs. 15.3. Format the paragraph with the formatting toolbar, paragraph dialog box & keyboard shortcuts. 15.4. Indent paragraphs automatically and Indent with the ruler, toolbar keyboard shortcuts and with paragraph dialog box . 15.5. Align and justify text and a adjust the space between lines such as single spacing, double spacing, etc. 15.6. Create and remove borders and shading. 15.7. Create lines with the border command. 15.8. Show the border toolbar. 15.9. Show custom borders and lines and increase the space between borders and text. 16. Exercise on tables and show skill in modifies table design. 16.1. Create a simple table using table button & table menu. 16.2. Enter and edit text in a table. 16.3. Select cells, columns, rows group of cells and the whole table. 16.4. Add rows at the end and in the middle of a table, then delete rows. 16.5. Change row heights, and resize rows with cell height and width. 16.6. Change the spacing between rows. 16.7. Insert columns at the right edge and in the middle of a table, then delete the columns. 16.8. Change column and cell width with the ruler and the auto fit button. 16.9. Merge cells. 16.10. Change the space between columns, merge different cells. 24 2433 AIMS • • • • • • • • BASIC SURVEYING T 1 P C 3 2 To enable to conduct survey work with chain, compass and plane table. To enable to conduct leveling and contour survey. To enable to locate unknown points. To enable to conduct open traverse survey with theodolite,tachometer,total station or EDM. To enable to locate alignment stakes along transmission and distribution line route. To enable to determine horizontal distance and vertical height of an inaccessible point. To enable to determine the sag in low tension and high tension lines. To enable to use a total station or electronic distance meter/measurer(EDM). SHORT DESCRIPTION Introduction to Chain survey; Compass survey; Plane table survey; Leveling and contouring; Traversing with theodolite; Tachometer; Total station or electronic distance meter/measurer (EDM). DETAIL DESCRIPTION THEORY CHAIN SURVEYING. 1. Conduct chain survey. 1.1 List the equipment and accessories used in chain surveying. 1.2 Describe the basic principle of chain surveying. 1.3 Describe the procedure of chain surveying. 1.4 Describe the procedure of chaining. 1.5 Describe the computation of areas using different rules in chain surveying. 1.6 Mention the errors in chaining. 1.7 List the mistakes in chain surveying. COMPASS SURVEYING 2. Conduct Compass survey 2.1 List the instrument and accessories used in compass surveying. 2.2 Define the terms, meridian, bearing, magnetic, declination, dip or needle, local attraction. 2.3 Describe the procedure of compass surveying. 25 PLANE TABLE SURVEYING 3. Conduct plane Table survey 3.1 List the instrument and accessories used in plane table surveying. 3.2 Define orientation, two point problem and three point problem. 3.3 Describe the methods of plane table surveying. 3.4 Mention the advantages and limitation or plane table surveying. LEVELING AND CONTOURING 4. Conduct Levelling and Contouring 4.1 Describe the purpose of leveling and contouring. 4.2 List the equipment and accessories used in leveling and contouring. 4.3 Define the termo line or collimation, parallax change point, banc mark, Datum, Height or instrument. 4.4 Distinguish between. a. Level surface and horizontal surface. b. Reduced level and Formation level. c. Temporary adjustment and permanent adjustment d. Back sight-reading and fore sight-reading. 4.5 Describe the procedure of leveling work. 4.6 Explain the effects of earth's curvature and refraction of light on leveling. 4.7 State the uses of contour. 4.8 Mention the characteristics of contour. 4.9 Describe the procedure of different methods of contouring. TRAVERSING WITH THEODDLITE 5. Conduct Traversing with Theodolite 5.1 Define the term, Traverse, plotting, adjustment of throdolite, face left and face right. 5.2 Mention the relations the fundamental lines of theodolite. 5.3 Describe the procedure of trigonometrical leveling. 5.4 Solve problem on finding heights and distances. 5.5 List the common mistakes in theodolite work. TACHOMETRIC SURVEYING 6. Conduct Tachometric survey 6.1 State the principles of stadia surveying. 6.2 Mention the advantages of stadia surveying. 6.3 Differentiate between theodolite and Tachometer. 6.4 Describe the procedure of stadia surveying. 6.5 Solve problem of stadia surveying. 26 TOTAL STATION OR ELECTRONIC DISTNCE METER/ MEASURER (EDM) 7. Conduct survey using total station or EDM 7.1 Mention the advantages of EDM. 7.2 Mention the operational steps of setting of EDM. 7.3 Describe the procedure of traverse surveying with EDM. PRACTICAL CHAIN SURVEY 1 Conduct chain survey. 1.1 Demonstrate different instrument and accessories used in chain survey. 1.2 Test and adjust chain. 1.3 Set perpendiculars with the help of chain and tape. 1.4 Set parallel line with the help of chain and tape. 1.5 Range a chain line by crossing a hill. 1.6 Set perpendicular with the help of an optical square. 1.7 Measure horizontal length of a sloped ground. 1.8 Measure distances across obstacles. COMPASS SURVEY 2 Conduct compass survey. 2.1 Demonstrate different instrument and accessories used in compass survey. 2.2 Measure bearing by prismatic compass and surveyors compass. 2.3 Conduct traverse survey on a particular land using a prismatic compass and surveyors compass . 2.4 Prepare survey map with the collected data by prismatic compass and surveyors compass. PLANE TABLE SURVEY 3 Conduct plane table survey. 3.1 Demonstrate different instrument and accessories used in plane table survey. 3.2 Locate the position of points with the help of plane table. 3.3 Plot the map of a place by the method of intersection and traversing. LEVELING AND CONTOURING 4 Conduct leveling and contouring. 4.1 Identify different components of level and function of each. 4.2 Demonstrate the temporary adjustment of level. 4.3 Conduct fly leveling. 4.4 Conduct profile leveling, cross leveling and plot level section. 4.5 Conduct reciprocal leveling. 27 TRAVERSING WITH THEODOLITE 5 Conduct traverse survey using theodolite. 5.1 Identify different components of theodolite and function of each. 5.2 Demonstrate the temporary adjustment of theodolite. 5.3 Measure horizontal and vertical angles by a transit theodolite. 5.4 Calculate horizontal distance between two points using cosine rule. 5.5 Calculate the vertical height and distance of a particular point. TACHOMETRIC SURVEY 6 Conduct tachometric survey. 6.1 Identify different components of tachometer and function of each. 6.2 Demonstrate the temporary adjustment of tachometer. 6.3 Determine the horizontal distance and vertical height of a pole or tower by tachometer. 6.4 Conduct route survey along the alignment of a transmission line. 6.5 Determine the amount of sag and pull in transmission line cables. 6.6 Calculate the correction for sag, pull, temperature, slope etc. for given wire and determine correct length. TOTAL STATION OR ELECTRONIC DISTANCE METER/MEASURER(EDM) 7 Conduct survey using total station or EDM. 7.1 Identify different components of total station or EDM and function of each. 7.2 Demonstrate the temporary adjustment of total station or EDM. 7.3 Determine the horizontal distance and vertical height of a pole or tower by total station or EDM. 7.4 Measure sag in high tension cable line. 7.5 Conduct traverse survey by total station or EDM. REFERENCE BOOKS 1. 2. 3. 4. 6. Surveying and leveling (Volume- I & II) __Text book of surveying ( Volume- I & II ) _Surveying _Surveying _Plane and Geodetic survey _- T P Kanetker P B Shahani B C Punmia Aziz and Shahjahan D Clark 28 MATHEMATICS − III 1431 T P C 2 3 3 AIMS • • • • To enable to use the knowledge of gradient of a straight line in finding speed, acceleration etc. To enable to use the knowledge of conic in finding the girder of a railway bridge, cable of a suspension bridge and maximum height of an arch. To provide ability to apply the knowledge of differential calculus in solving problem like slope, gradient of a curve, velocity, acceleration, rate of flow of liquid etc. To enable to apply the process of integration in solving practical problems like calculation of area of a regular figure in two dimensions and volume of regular solids of different shapes. SHORT DESCRIPTION Co-ordinate Geometry Differential Calculus Integral Calculus : Co-ordinates of a point, locus and its equation, straight lines, circles and conic. : Function and limit of a function, differentiation with the help of limit, differentiation of functions, geometrical dy interpretetion of dx , successive differentiation and Leibnitz theorem, partial differentiation. : Fundamental integrals, integration by substitutions, integration by parts, integration by partial fraction, definite integrals. DETAIL DESCRIPTION CO-ORDINATE GEOMETRY 1 Apply the concept of co-ordinates to find lengths and areas. 1.1 Explain the co-ordinates of a point. 1.2 State different types of co-ordinates of a point. 1.3 Find the distance between two points (x1, y1) and (x2, y2 ). 1.4 Find the co-ordinates of a point which divides the straight line joining two points in certain ratio. 1.5 Find the area of a triangle whose vertices are given. 29 1.6 2 3 4 5 Solve problems related to co-ordinates of points and distance formula. Apply the concept of locus. 2.1 Define locus of a point. 2.2 Find the locus of a point. 2.3 Solve problems for finding locus of a point under certain conditions. Apply the equation of straight lines in calculating various parameter. 3.1 Describe the equation x=a and y=b and slope of a straight line. 3.2 Find the slope of a straight line passing through two point (x1, y1,) and (x2, y2 ). 3.3 Find the equation of straight lines: i) Point slope form. ii) Slope intercept form. iii) Two points form. iv) Intercept form. v) Perpendicular form. 3.4 Find the point of intersection of two given straight lines. 3.5 Find the angle between two given straight lines. 3.6 Find the condition of parallelism and perpendicularity of two given straight lines. 3.7 Find the distances of a point from a line. Apply the equations of circle, tangent and normal in solving problems. 4.1 Define circle, center and radius . 4.2 Find the equation of a circle in the form: i) x2 + y2 =a 2 ii) (x − h) 2 + (y − k) 2 =a 2 iii) x 2 + y 2 + 2gx + 2fy + c=0 4.3 Find the equation of a circle described on the line joining (x1, y1) and ( x2, y2). 4.4 Define tangent and normal. 4.5 Find the condition that a straight line may touch a circle. 4.6 Find the equations of tangent and normal to a circle at any point. 4.7 Solve the problems related to equations of circle, tangent and normal. Understand conic or conic sections. 5.1 Define conic, focus, directrix and eccentricity. 5.2 Find the equations of parabola, ellipse and hyperbola. 5.3 Solve problems related to parabola, ellipse and hyperbola. DIFFERENTIAL CALCULUS FUNCTION AND LIMIT 6 Understand the concept of functions and limits. 30 6.1 6.2 6.3 6.4 Define constant, variable, function, domain, range and continuity of a function. Define limit of a function. Distinguish between and f(a). f(x) sinx tanx lim Establish i) lim , x =1 ii) x =1. x∏0 7 8 9 10 x∏0 Understand differential co-efficient and differentiation. 7.1 Define differential co-efficient in the form of lim f(x+h)−f(x) dy = hx∏0 dx 7.2 Find the differential co-efficient of algebraic and trigonometrical functions from first principle. Apply the concept of differentiation. 8.1 State the formulae for differentiation: i) sum or difference ii) product iii) quotient iv) function of function v) logarithmic function Find the differential co-efficient using the sum or difference formula, product formula and quotient formula. 8.2 Find the differential co-efficient function of function and logarithmic function. dy Apply the concept of geometrical meaning of dx dy 9.1 Interpret dx geometrically. dy 9.2 Explain dx under different conditions 9.3 Solve the problems of the type: A circular plate of metal expands by heat so that its radius increases at the rate of 0.01 cm per second. At what rate is the area increasing when the radius is 700 cm ? Use Leibnitz’s theorem to solve the problems of successive differentiation. 10.1 Find 2nd, 3rd and 4th derivatives of a function and hence find n-th derivatives. 10.2 Express Leibnitz’s theorem. 31 10.3 11 Solve the problems of successive differentiation and Leibnitz’s theorem. Understand partial differentiation. 11.1 Define partial derivatives. 11.2 State formula for total differential. 11.3 State formulae for partial differentiation of implicit function and homogenous function. 11.4 State Euler's theorem on homogeneous function. 11.5 Solve the problems of partial derivatives. INTEGRAL CALCULUS 12 Apply fundamental indefinite integrals in solving problems. 12.1 Explain the concept of integration and constant of integration. 12.2 State fundamental and standard integrals. 12.3 Write down formulae for: i) Integration of algebraic sum. ii) Integration of the product of a constant and a function. 12.4 Integrate by method of substitution, integrate by parts and by partial fractions. 12.5 Solve problems of indefinite integration. 13 Apply the concept of definite integrals. 13.1 Explain definite integration. 13.2 Interpret geometrically the meaning of 13.3 Solve problems of the following types: i) ∫ π 2 0 cos 2 xdx ii) ∫ 1 (sin x ) 0 −1 1− x2 ∫ f (x )dx b a 2 dx P* =Practical continuous assessment 1432 PHYSICS–II TP 2 3 C 3 AIMS • • To provide a foundation in scientific principles and processes for the understanding and application of technology. To develop an understanding of fundamental scientific concepts through investigation and experimentation. 32 • • • To provide a common base for further studies in technology and science. To develop a working knowledge of physical properties, behavior and uses of common engineering materials. To develop basic knowledge of the effects of energy on the properties of common engineering materials. SHORT DESCRIPTION Heat Light : Thermometry; Calorimetry, Expansion of materials (effect of heat); Heat transfer; Nature of heat and its mechanical equivalent; Engine. : Principles of light and Photometry; Reflection of light; Refraction of light ; Optical instruments; Dispersion of light, color and spectrum; Nature and theories of light. DETAIL DESCRIPTION Theory : HEAT THERMOMETRY 1 Understand the basic concept of thermometry. 1.1 Define heat and temperature. 1.2 Mention the units of measurement of heat and temperature. 1.3 Distinguish between heat and temperature. 1.4 Mention the kinds of heat. 1.5 Identify the sources of heat. 1.6 Explain the effects of heat on a body. 1.7 Solve problems relating to thermometry. 1.8 Identify the range of the Celsius scale determined by the boiling point and melting point of water 1.9 Compare the Celsius scale, Roamer scale, Fahrenheit scale, Kelvin scale and Rankin scale of temperature measurement. 2 Understand the features of thermometers. 2.1 State the construction and graduation of a mercury thermometer. 2.2 Describe the operation of different types of thermometers (e.g., maximum and minimum thermometer, clinical thermometer). 2.3 Mention the application of different types of thermometers (e.g., maximum and minimum thermometer, clinical thermometer). 33 HEAT CAPACITY OF MATERIALS (CALORIMETRIC) 3 Understand the concept of specific heat. 3.1 State the heat as a form of energy. 3.2 Define specific heat capacity. 3.3 State SI units of measurement of specific heat capacity as J/Kgc0 or J/Kgk0. 3.4 Define thermal capacity and water equivalent. 3.5 Differentiate between thermal capacity and water equivalent. 3.6 Mention the specific heat capacity of different materials. 3.7 Prove the total heat gained by an object is equal to the sum of the heat lost by all the surrounding objects. 3.8 Identify the total heat gained and the total heat lost in a given system. 3.9 Solve the problems relating to specific heat. 4 Understand the concept of latent heat. 4.1 Identify specific latent heat as the energy consumed or liberated when water vaporizes or condenses and when ice melts or freezes. 4.2 Explain the effects of a change in pressure on the melting point and boiling point of water. 4.3 Define various kinds of specific latent heat. 4.4 Determine the latent heat of fusion and vaporization from given data. 4.5 Solve problems relating to latent heat. EFFECTS OF HEAT ON DIMENSION OF MATERIALS 5 Understand the effects of heat on solids. 5.1 Show that different materials change in size at different amounts with the same heat source. 5.2 Explain the meaning of differential expansion in bimetallic strip, thermostats, compensated pendulum etc. 5.3 Describe the capacity of bimetallic strip, thermostats and compensated pendulum. 5.4 Explain the methods of overcoming problems caused by the expansion of materials in buildings, machinery, railway lines and bridges. 5.5 Define the co-efficient of linear, superficial and cubical expansion of solids. 5.6 Mention the units co-efficient of linear, superficial and cubical expansion of solids. 34 5.7 5.8 6 Mention the linear, superficial and cubical expansion of a range of common engineering materials. Solve problems related to effect of heat on solids. Understand the effect of heat on liquids. 6.1 Define real and apparent expansion of liquid . 6.2 Define the co-efficient of real and apparent expansion of liquid. 6.3 Explain the effect of real and apparent expansion of liquid. 6.4 Distinguish between the co-efficient of real and apparent expansion of liquid. 6.5 Determine the co-efficient of real and apparent expansion of liquid. 6.6 Solve problems relating to effects of heat on liquids. HEAT TRANSFER 7 Understand the of fundamental principles of heat transfer. 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 Identify the phenomenon of heat transferring from hot bodies to cold bodies. Explain the methods of heat transfer by conduction, convection and radiation with examples of each type of transfer. Define thermal conductivity (K) & rate of heat transfer. State the SI units of thermal conductivity as w w mk or mc List the factors which determine the quantity of heat (Q) flowing through a material. Show that the quantity of heat flowing through a material can be found KA (θH − θC)t from Q = d Outline the properties of materials which give thermal insulation. List practical examples of the application of thermal insulation properties (e.g., refrigerators, vacuum flasks and building insulation). Solve problems related to heat transfer. NATURE OF HEAT AND ITS MECHANICAL EQUIVALENT 8 Understand the aspects of mechanical equivalent of heat. 8.1 Describe the caloric theory and kinetic theory of heat. 35 8.2 8.3 8.4 8.5 8.6 State the drawbacks of the caloric theory of heat. Explain the mechanical equivalent oh heat. Mention the mechanical equivalent of heat. Explain the first law of thermodynamics. Solve problems relating to the mechanical equivalent of heat. HEAT ENGINE 9 Understand the concept of heat engine. 9.1 State what is meant heat engine. 9.2 Explain the principle of work of a heat engine. 9.3 Identify thermal efficiency of a heat engine. 9.4 Explain the working principles of internal combustion and external combustion engines (with fair sketches). 9.5 Distinguish between internal combustion engine and external combustion engine. 9.6 Distinguish between steam engine and petrol engine. LIGHT PRELIMINARIES OF LIGHT AND PHOTOMETRY 10 Understand the concept of preliminary light & photometry. 10.1 Define light, medium (transparent, translucent, opaque), luminous & non-luminous bodies, parallel, convergent & divergent rays, beam. 10.2 Show the travel of light in straight line. 10.3 Define photometry, luminous intensity, luminous flux, brightness and illuminating power. 10.4 Mention the units of luminous intensity, luminous flux, brightness and illuminating power. 10.5 Mention relation between luminous intensity & illuminating power. 10.6 Explain inverse square law of light. 10.7 Describe the practical uses of light waves in engineering. 10.8 Solve problems relating to photometry. REFLECTION OF LIGHT 11 Understand the features of reflection of light at plane and spherical surfaces. 11.1 Define mirror (plane & spherical ), image (real & virtual) and magnification of images. 11.2 Describe the reflection of light. 11.3 State the laws of reflection of light. 36 11.4 11.5 11.6 11.7 11.8 11.9 Express the verification of laws of refraction. Define pole, principle axis, center of curvature, radius of curvature, principal focus in case of concave & convex mirrors. Find the relation between focal length & radius of curvature of a concave & convex mirror. Express the general equation of concave and convex mirror. Determine the position , nature and size of the images of an object formed by a spherical mirror when the object is moved from infinity towards the pole of the mirror. Solve problems relating to reflection of light at plane and spherical surfaces. REFRACTION OF LIGHT 12 Understand the concept of refraction of light at plane surfaces. 12.1 Define refraction of light. 12.2 Give examples of refraction of light. 12.3 State the laws of refraction. 12.4 Express the verification of laws of refraction. 12.5 Define absolute and relative refractive index. 12.6 Relate absolute and relative refractive index. 12.7 Explain the meaning of total internal reflection and critical angle. 12.8 Relate total internal reflection and critical angle. 12.9 Give examples of total internal reflection. 12.10 Describe refraction of light through a prism. 12.11 Express the deduction of the relation between refractive index, minimum deviation and angle of the prism. 12.12 Solve problems related refraction of light at plane surface. 13 Understand the concept of refraction of spherical surface. 13.1 Define lens. 13.2 Identify the types of lens. 13.3 Define center of curvature, radius of curvature, principal axis, 1st and 2nd principal focus, optical center and power of lens. 13.4 Express the deduction of the general equation of lens (concave & convex). 13.5 List uses of lens. 37 13.6 13.7 Find the position, nature & sizes of Image at different position of an object formed by a lens (convex & concave) when the object is moved from infinity towards the optical center of the lens. Solve the problems relating to refraction of spherical surface. OPTICAL INSTRUMENTS 14 Understand the features of telescope & microscope. 14.1 Explain the construction of light ray patterns for simple & compound microscope (with diagram). 14.2 Explain the construction of light ray patterns for Astronomical & Gallillian telescope (with diagram) 14.3 Describe the common defects of eye. 14.4 Describe the remedy of common defects of eye. 14.5 Distinguish between eye and camera. DISPERSION OF LIGHT, COLOR AND SPECTRUM 15 Understand the concept of dispersion of light, color and spectrum. 15.1 Describe dispersion of light & spectrum. 15.2 Define pure & impure spectrum. 15.3 Describe the production of pure spectrum. 15.4 Identify different types of spectra. 15.5 Explain emission spectra, absorption spectra and color of bodies. 15.6 Identify the results of adding primary and secondary color. 15.7 Explain absorption, reflection and filtration of color light. Practical: Heat 1. Compare the operation of common thermometers. 2. Determine the co-efficient of linear expansion of solid by Pullinger’s apparatus. 3. Measure the specific heat capacity of various substances. 4. Investigate the latent heat of fusion and vaporization of water. 5. Investigate the effect of heat on the dimensions of solids and liquids. 6. Measure the different rates of expansion of common metals. 7. Determine the water equivalent by calorimeter. LIGHT 8. Compare the luminous intensity of different light sources. 38 9. 10. 11. 12. 13. 14. Establish the characteristics of various shaped mirrors by investigating the behavior of light rays reflected from the mirrors. Verify the laws of reflection. Find out the focal length of a concave mirror. Study the behavior of light patterns passing through various lenses for characteristics of the lenses and nature & position of the produced imaged. Determine the refractive index of a material medium. Find out the focal length of a convex lens. BANGLA − III 1131 T P 2 C 2 3 D‡Ïk¨ 1 evsjv mvwnZ¨ I evsjv fvlvi cÖwZ mwVK `„wófw½ m„wó Kiv| 2 evsjv mvwnZ¨ cVb-cvV‡bi gva¨‡g RvZxqZv‡eva, †`k‡cÖg, ˆbwZKZv, gy³wPšÍv I g~j¨‡ev‡ai D‡b¥l NUv‡bv| msw¶ß weeiYx evsjv mvwn‡Z¨i hyM wefvM, evsjv mvwn‡Z¨ mgvR I gvbyl, evsjv mvwn‡Z¨i gva¨‡g RvZxqZv I RvZxqZv‡ev‡ai D‡b¥l I weKvk| wek` weeiYxt ZvwË¡K t 1 evsjv mvwn‡Z¨i hyM wefvM 1.1 cÖvPxb hyM| 1.2 ga¨ hyM 1.3 2 AvaywbK hyM (gy³ wPšÍv, gvbeZv, †`k†cÖg, Av`k©, ˆbwZKZv, g~j¨‡eva, †mŠ›`h©¨‡eva )| evsjv mvwn‡Z¨ mgvR I gvbyl 2.1 evsjv mvwn‡Z¨ I mgv‡R †i‡bmuvi cÖfve| 2.2 evsjv mvwn‡Z¨ I mgv‡R wkí-wec−‡ei cÖfve| 39 2.3 3 evsjv mvwn‡Z¨ I mgv‡R Dcgnv‡`‡ki ¯^vaxbZv I evsjv‡`‡ki gyw³hy‡×i cÖfve| evsjv mvwn‡Z¨i gva¨‡g RvZxqZv I RvZxqZvev‡`i D‡b¥l I weKvk 3.1 evsjv mvwn‡Z¨i µgweKvk t ivRv ivg †gvnb ivq †_‡K AvaywbK Kvj (ivRv ivg‡gvnb ivq, Ck¦iP›`ª we`¨vmvMi, gvB‡Kj gaymy`b `Ë, gxi †gvkviid †nv‡mb, ew¼gP›`ª P‡Ævcva¨vq, iex›`ªbv_ VvKzi, KvRx bRi“j Bmjvg, KvRx Avãyj I`y`, †gvZv‡ni †nv‡mb †PŠayix , Aveyj †nv‡mb)| 40 e¨envwiK t 1. e³…Zv (cvV¨cy¯Í‡K ewY©Z welqvw`) 2. weZK© (welqe¯‘ Db¥y³) 3. Ave„wË (welqe¯‘ Db¥y³) cvV¨cy¯ÍK t 1 Dcb¨vmt cj−x mgvR − kirP›`ª P‡Ævcva¨vq 2 Kve¨t AwMœexYv − KvRx bRi“j Bmjvg wbe©vwPZ KweZv t 3 • we‡`ªvnx • †Lqvcv‡ii ZiYx • gniig| bvUKt gvbyl (GKvswKKv ) − gybxi †PŠayix gšÍe¨ t GB cvV¨m~wPi (ZvwË¡K) 1, 2 I 3 -G ewY©Z welqe¯‘ m¤ú‡K© mg¨K aviYv †i‡L †kªYxK‡¶ cvV¨cy¯ÍKwfwËK †kLv†kLv‡bv Kvh©µg cwiPvjbv Ki‡Z n‡e| we. `ª. P* t e¨envwiK avivevwnK| 41 1132 English – III T P 2 3 C 2 AIMS After the completion of the course, learners will be able to develop∗ Communication ∗ Correspondence ∗ Drafting letters of quotations, tenders, and letter of enquiry ∗ Responding to advertisement, notice, memo, posters ∗ Speak in English with confidence ∗ Communicate with target person(s) effectively ∗ Understand the speech of English users ∗ Achieve better professional performance Communication 1. 2. 3. Style of letters- full blocked, blocked, semi-blocked Parts of writing official letters- Techniques of writing (Heading, Reference, date, inside address, topic, greetings, complementary closing, Signature, Supplements) Types of formal documentation-(in English) ∗ Application with CV ∗ Appointment letter ∗ Joining report ∗ Letter of enquiry, orders, cancellation ∗ Letter of compensation and complaint ∗ Letter to the Print and Electronic media ∗ Application for Opening a Bank Account ∗ Application for Bank Solvency Certificate ∗ Application for bank loan * Official note ∗ Memorandum ∗ Notice Writing 42 Sl. No. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. CONTENTS FOR ORAL PRACTICE Conversational Situations Meeting Someone Parting Daily Activities Asking About Activities Evening Activities Asking about Buses Travelling by Bus Going by Taxi Meeting at the Train Station Asking Questions at the Train Station Meeting at the Airport Getting Information at the Airport Getting to the Hotel Asking Directions Getting Information Finding One’s Way Asking the Time - 1 Arriving Early or Late Time and the Calendar Living in an Apartment Using the Telephone Talking about Shopping Sending and Receiving Letters Talking about the weather Trips and sight-seeing Talking about Eating Dinner Conversations Common Health Problems Quitting and Finding Jobs Office Details Office Conversations 43 Practical • • • • • • • • • • • • • Making a report visiting different business firms and facilitate the techniques of sales communication Giving advertisement in the dailies on necessary commodities Making attractive posters for new products Resume writing Formation of writing letters Speaking on a specific situation Public speaking Exchanging views with target person(s) Introducing oneself Describing and Narrating events, place, object etc Producing the meaning of given words (by the teacher) Prepared Speech Role playing on telephonic communication 44 1133 D‡Ïk¨ • • SOCIAL SCIENCE – III (BANGLADESH : HISTORY & CULTURE) T 2 P C 0 2 cÙv-†gNbv-hgybv eØxc Aayy¨wlZ †fŠ‡MvwjK A‡j ev½vjx mgvR MVb Ges bvbv HwZnvwmK weeZ©‡bi ch©vq †cwi‡q MwVZ AvaywbK evsjv‡`k m¤ú‡K© wk¶v_©x‡`i h_v_© AeMZ Kiv‡bv Ges Zv‡`i mwVK †eva m„wóKiY| cÖvK…wZK I A_©‰bwZK KvVv‡gvi cwigÛ‡j evsjv‡`‡ki mvs¯‹…wZK weKv‡ki mv‡_ wk¶v_©x‡`i D¾xweZ K‡i evsjv‡`‡ki †hvM¨ I cwikxwjZ bvMwiK wnmv‡e h_v_© weKwkZKiY| msw¶ß weeiYx BwZnvm • • • evsjv‡`‡ki AvenvIqv I Awaevmx| • evsjvq BD‡ivcxq ewYK‡`i AvMgb; bevex Avg‡j evsjvi kvmb e¨e¯’v; evsjvq Bs‡iR kvmb ¶gZv jvf I cÖwZôv| • weªwUk we‡ivax mk¯¿ cÖwZ‡iva Av‡›`vjb; ms¯‹vi Av‡›`vjb I RvZxqZvev‡`i weKvk Ges evsjvi beRvMiY; e½f½ I e½f½ DËiKv‡j evsjvi ivRbxwZ I †`k wefvM| • cvwK¯Ívb Avg‡j evsjv‡`k Ges evsjv‡`‡ki gyw³ msMÖvg I hy×| cÖv‰MwZnvwmK I cÖvPxbKv‡j evsjv‡`k | evsjvq gymjgvb‡`i AvMgb, cÖwZôvjvf I kvmb − LjRx I ZzK©x kvm‡b evsjvq ¯^vaxb myjZvbx cÖwZôv; evsjv‡`‡k kvnx Avgj, AvdMvb I †gvNj Avg‡j evsjvi kvmb| ms¯‹…wZ Avw`hy‡M evsjvi mgvR-ms¯‹…wZi iƒc‡iLv, myjZvbx, †gvNj I bevex Avg‡ji evsjvi mgvR ms¯‹…wZ; Bs‡iR Avg‡j evsjvi mgvR I ms¯‹…wZ| iex›`ª I bRi“j hyM Ges iex›`ª I bRi“j DËi evsjvi mgvR I ms¯‹…wZ; cvwK¯Ívb Avg‡j evsjv‡`‡ki mvs¯‹…wZK iƒc‡iLv; ¯^vaxbZvDËi evsjv‡`‡ki ms¯‹…wZ| wek` weeiYx BwZnvm 1. evsjv‡`‡ki AvenvIqv I Awaevmx m¤ú‡K© AeMZ nIqv| 1.1 evsjv‡`‡ki cÖvPxb Rbc` D‡j−L Kiv| 1.2 e½ ev evsjv bv‡gi DrcwË e¨vL¨v Kiv| 1.3 e‡½i mxgv‡iLv wPwýZ Kiv| 1.4 evsjvi AvenvIqv I Gi Awaevmx‡`i Pwi‡Î AvenvIqvi cÖfve wee„Z Kiv| 45 2. cÖv‰MwZnvwmK Avg‡ji evsjv‡`k m¤ú‡K© AeMZ nIqv 2.1 `ªvweo RvwZi evsjv‡`‡k wePi‡Yi BwZe„Ë eY©bv Kiv| 2.2 fvi‡Z Avh©‡`i AvMgb Ab¨vb¨‡`i cvkvcvwk Ges evsjv‡`‡k G‡`i †MvovcËb I cÖfve e¨³ Kiv| 2.3 evsjvq †gŠh©¨ es‡ki BwZe„Ë e¨³ Kiv| 2.4 cÖv‰MwZnvwmK I cÖvPxb evsjvi Av_©mvgvwRK e¨e¯’v eY©bv Kiv| 3. evsjv‡`‡k ¸ß, ivRv kkv¼, cvj I †mb Avgj m¤ú‡K© AeMZ nIqv| 3.1 ¸ß kvmb Avg‡j evsjvi kvmbe¨e¯’v eY©bv Kiv| 3.2 ivRv kkv‡¼i ivR¨ weRq I kvmb eY©bv Kiv| 3.3 evsjvi AivRKZv I wnD‡qbmvs Gi Avg‡j evsjvi Ae¯’v eY©bv Kiv| 3.4 †Mvcvj KZ©„K AivRKZvi Aemvb NUv‡bvi K…wZ‡Z¡i eY©bv Kiv| 3.5 †mb ivR es‡ki kvmb Avgj D‡j−L Kiv| 4. evsjv‡`‡k gymwjg kvmb m¤ú‡K© AeMZ nIqv| 4.1 evsjv‡`‡k gymjgvb‡`i AvMgb I eLwZqvi LjRxi evsjv weRq eY©bv Kiv| 4.2 evsjv‡`‡k ¯^vaxb myjZvbx kvmb cÖwZôv wee„Z Kiv| 4.3 Bwjqvm kvnx I †nv‡mbkvnx hy‡Mi evsjvi wPÎ wbg©vY Kiv| 4.4 evsjvq AvdMvb kvmb Ges †gvNj kvm‡bi BwZe„Ë e¨vL¨v Kiv| 4.5 beve wmivRD‡ÏŠjv I gxi Kvwkg Avg‡j evsjvi kvmb e¨e¯’v cwieZ©‡bi mwܶ‡Yi e¨vL¨v cÖ`vb (cjvkxi hy× I Zvi cieZ©x evsjv‡`k)| 5. cjvkxhy× cieZ©x Ae¯’vq B÷ BwÛqv †Kv¤úvbxi AvwacZ¨ we¯Ívi m¤ú‡K© © ÁvZ nIqv| 5.1 †`Iqvbx, ‰ØZkvmb I evsjvi `ywf©¶ eY©bv Kiv| 5.2 Bs‡iR‡`i wPi¯’vqx e‡›`ve¯Í Ges e„wUk we‡ivax mk¯¿ cÖwZ‡iva Av‡›`vjb Ges Gi djvdj eY©bv Kiv| 5.3 evsjv‡`‡k Rwg`vi, cÖRve¨e¯’v cÖwZôv Ges Av_©-mvgvwRK e¨e¯’vq Rwg`vi‡`i f‚wgKv I cÖRvKz‡ji mvwe©K Ae¯’v D‡j−L Kiv| 5.4 e½f½ I ZrKvjxb wn›`y-gymwjg ivR‰bwZK cÖwZwµqvmn ¯^‡`kx Av‡›`vjb, wLjvdZ I Amn‡hvM Av‡›`vjb e¨vL¨v Kiv| 6. e½f½DËi ivRbxwZ I †`k wefvM m¤ú‡K© © AewnZ nIqv| 6.1 1937 Gi wbe©vPb I Gi ˆewkó¨ D‡j−L Kiv| 6.2 jv‡nvi cÖ¯Íve e¨³ Kiv| 6.3 1943 Gi evsjvi `ywf©‡¶i KviY I Gi c~e©vci Ae¯’v D‡j−L Kiv| 6.4 cvwK¯Ív‡bi c~e©vÂj wnmv‡e 1947 mv‡j c~e© cvwK¯Ív‡bi cÖwZôv e¨vL¨v Kiv| 7. cvwK¯Ívb Avg‡j evsjv‡`‡ki (ZrKvjxb c~e© cvwK¯Ívb) ivRbxwZ, A_©bxwZ I mvgvwRK Ae¯’v m¤ú‡K© AeMZ nIqv| 7.1 fvlv Av‡›`vjb I mgKvjxb ivR‰bwZK I mvgvwRK †cÖw¶Z e¨³ Kiv| 46 7.2 7.3 7.4 7.5 8. 9. AvIqvgxjxM cÖwZôv, hy³d«›U I 21 `dv `vexi wfwˇZ wbe©vPb Abyôvb Ges hy³d«‡›Ui gwš¿mfv MVb I evwZj Av‡jvPbv Kiv| cvwK¯Ív‡bi mvgwiK Afz¨Ìvb, AvBqye we‡ivax Av‡›`vjb I 6 `dv `vex, AvMiZjv gvgjvi BwZe„Ë eY©bv Kiv Ges c~e©-cwðg cvwK¯Ív‡bi A_©‰bwZK ˆel‡g¨i LwZqvb D‡j−L Kiv| 1969 mv‡ji MYAfz¨Ìvb Ges Gi avivevwnKZvq evsjv‡`‡ki gyw³hy× I ¯^vaxb mve©‡fŠg evsjv‡`k cÖwZôv Kivi cUf~wg I NUbv cÖevn eY©bv Kiv| 1971 mv‡ji HwZnvwmK gyw³hy× Ges ¯^vaxb mve©‡fŠg evsjv‡`‡ki Afz¨`q eY©bv Kiv| ¯^vaxb mve©‡fŠg evsjv‡`‡ki ivRbxwZ I Av_©-mvgvwRK Ae¯’v m¤ú‡K© AeMZ nIqv| 8.1 hy‡×vËi ¯^vaxb mve©‡fŠg evsjv‡`‡ki Av_©-mvgvwRK cybM©Vb Kg©ZrciZv eY©bv Kiv| 8.2 1973 mv‡ji wbe©vPb Ges 1974 mv‡j msweav‡bi 4_© ms‡kvabxi gva¨‡g miKvi c×wZi cwieZ©b e¨³ Kiv| 8.3 1975 mv‡ji 15 AvM÷ e½eÜz †kL gywReyi ingvb -Gi wbnZ nIqv Ges cieZ©x ivR‰bwZK cUcwieZ©‡bi †cÖ¶vc‡U RvZxqZvev`x `‡ji Afy¨`q Ges †`‡ki Av_©-mvgvwRK Ae¯’vi cybtcÖwZôvi cÖqvm e¨vL¨v Kiv| 8.4 1981 mv‡j ivóªcwZ wRqvDi ingv‡bi kvnv`vZ eiY, 1982 mv‡ji mvgwiK Afz¨Ìvb Ges ivR‰bwZK cUf‚wg cwieZ©‡b RvZxq cvwU©i D™¢e| 8.5 1990 mv‡ji RvZxq cvwU©i miKv‡ii cZb Ges ZË¡veavqK miKvi c×wZ Abyms‡M 1991 m‡bi wbe©vPb Ges MYZvwš¿K Abykxj‡bi m~Pbv| ms¯‹…wZ cÖvPxb I ga¨hyMxq evsjvi ms¯‹…wZ I mvwnZ¨ PP©v m¤ú‡K© AeMZ nIqv| 9.1 cÖvPxb evsjvi fvlv mvwnZ¨ I ms¯‹…wZi iƒc‡iLv eY©bv Kiv| 9.2 myjZvbx I bevex Avg‡j evsjvi Av_©-mvgvwRK e¨e¯’v Ges wkí-mvwnZ¨Kg© eY©bv Kiv| 9.3 ev½vjx ms¯‹…wZ wbg©v‡Y gwm©qv I cyuw_ mvwn‡Z¨i cÖfve eY©bv Kiv| 10. AvaywbK hy‡M evsjv‡`‡ki ms¯‹…wZ I evsjvfvlvi AvaywbK iƒcjvf m¤ú‡K© AeMZ nIqv| 10.1 Bs‡iR kvmb Avg‡j mvgvwRK Kzms¯‹vi `~ixKi‡Y ev½vjx mgvR ms¯‹viK‡`i Avwef©ve Ges Zv‡`i Kg©ZrciZv e¨vL¨v Kiv| 10.2 K¨vwi mv‡ne Ges ‡dvU© DBwjqvg K‡jR/ms¯‹…Z K‡jR ¯’vc‡bi gva¨‡g evsjvi bZzb ms¯‹…wZi iƒcjvf eY©bv Kiv| 10.3 Bs‡iR‡`i wk¶vbxwZ cÖeZ©b e¨vL¨v Kiv Ges KwjKvZv wek¦we`¨vjq I Bmjvwgqv gv`ªvmv ¯’vc‡bi gva¨‡g evsjvi ms¯‹…wZi weKvk e¨³ Kiv | 10.4 XvKv wek¦we`¨vjq cÖwZôvi BwZe„Ë e¨vL¨v Kiv| 11. evsMvjx mgvR Ges ms¯‹…wZi iƒcjv‡f iex›`ªbv_ I mgKvjxb gbxlx‡`i Ae`vb m¤ú‡K© Rvbv| 11.1 iex›`ª mvwnZ¨ ej‡q ev½vjx ms¯‹…wZ, evsjvfvlv I mvwn‡Z¨i cwic~Y©Zv jvf e¨vL¨v Kiv| 11.2 iex›`ªhy‡M bRi“‡ji Avwef©ve Ges Zvi fvlv I mvwnZ¨Kg© e¨vL¨v Kiv| 12. 1947 Gi †`k wefvM I mvs¯‹…wZK Ae¯’vi cwieZ©b m¤ú‡K© AeMZ nIqv| 12.1 ZrKvjxb c~e© cvwK¯Ív‡bi ZgyÏyb gRwj‡mi f‚wgKv D‡j−L Kiv| 47 12.2 12.3 12.4 12.5 13. 14. 1952 mv‡ji fvlv Av‡›`vj‡bi mvs¯‹…wZK ¸i“Z¡ D‡j−L Kiv| XvKv †Kw›`ªK wkíx-mvwnwZ¨K‡`i evsMvjx ms¯‹…wZ wewbg©v‡Yi f‚wgKv cvjb D‡j−L Kiv| Õ69 Gi MY Av‡›`vj‡b mvs¯‹…wZK Kg©x‡`i f‚wgKv D‡j−L Kiv| evOjv GKv‡Wgxi cÖwZôv Ges evsjv fvlv I mvwn‡Z¨ Gi f~wgKv D‡j−L Kiv| ¯^vaxbZv DËi evsjv‡`‡k mvwnZ¨ I mvs¯‹…wZK Ae¯’v m¤ú‡K© AeMZ nIqv| 13.1 evsjv‡`‡k Mí, Dcb¨vm I KweZvi PP©v D‡j−L Kiv| 13.2 evsjv‡`‡k bvU¨ PP©v D‡j−L Kiv| 13.3 wPÎ, msMxZ, bvU¨ wk‡íi PP©vq ‡`wk-we‡`wk DcKi‡Yi mswgkªY D‡j−L Kiv| 13.4 AvšÍR©vwZK gvZ…fvlv w`em wn‡m‡e 21 †deª“qvwii Zvrch© e¨³ Kiv| 13.5 fvlv, wkí mvwnZ¨ PP©vq msev`cÎ I B‡jKUªwbK wgwWqvi f‚wgKv D‡j−L Kiv| ms¯‹…wZi Dci MÖvgxY A_©bxwZi cÖfve AeMZ nIqv| 14.1 ZuvZ wkí I gmwjb Drcv`‡bi BwZe„Ë e¨vL¨v Kiv| 14.2 bxj Pvl I cvU Pv‡li A_©‰bwZK cÖfve e¨³ Kiv| 14.3 ev½vjx ms¯‹…wZi Ask wn‡m‡e `y»RvZ wgóvbœ mvgMÖxi (wgwó, gvLb, `wa, wcVv-cywj cÖf…wZ) cÖfve e¨³ Kiv| 14.4 †`kxq †gjv I cve©‡bi mvs¯‹…wZK ¸i“Z¡ e¨vL¨v Kiv| 14.5 MÖvgxY †ckvRxwe‡`i (Kvgvi, Kzgvi, ZuvZx, †R‡j, QyZvi, BZ¨vw`) mvs¯‹…wZK ¸i“Z¡ e¨vL¨v Kiv| mnvqK cy¯ÍK 1. 2. 3. 4. 5. 6. 7. iwng, †PŠayix, gvngy` I Bmjvg, Òevsjv‡`‡ki BwZnvm (cwiewa©Z I cwigvwR©Z)Ó ; bI‡ivR wKZvwe¯Ívb, AvM÷, 1999| ‡K, Avjx Òevsjv‡`‡ki BwZnvmÓ; AvwRwRqv eyK wW‡cv, 2001| wmivRyj Bmjvg, Òevsjv‡`‡ki BwZnvm-1704-1971Ó; 1g, 2q I 3q LÛ; evsjv‡`k GwkqvwUK †mvmvBwU, †deª“qvwi 2000| †Kv-Av‡šÍvbfv, wcÖ, K‡Zvfw®‹, ÒfviZe‡l©i BwZnvmÓ; cÖMwZ cÖKvkb, 1988| †Mvcvj nvj`vi; Òms¯‹…wZi iƒcvšÍiÓ; gy³aviv, †g 1984| †gvZv‡ni †nv‡mb †PŠayix, Òms¯‹…wZ K_vÓ; bI‡ivR wKZvwe¯Ívb, Rvbyqvwi 1998| †Mvcvj nvj`vi, Òevsjv mvwn‡Z¨i iƒc‡iLv-1g I 2q LÛÓ; gy³aviv, RyjvB 1978| 48 4-YEAR DIPLOMA-IN-ENGINEERING PROGRAM ELECTRICAL TECHNOLOGY SYLLABUS FOURTH SEMESTER 49 2741 ELECTRICAL CIRCUITS – IIII T 2 P C 3 3 AIMS • To develop understanding on the transient phenomena. • To develop knowledge and skill on resonance varying inductance, capacitance and frequency. • To develop the concept of non-sinusoidal wave. • To develop the concept on four terminal network. • To familiarize with the concept of attenuators and filters. SHORT DESCRIPTION Transient phenomena; Rise and fall of current in an inductive circuit; Charging and discharging of capacitor; Resonance; Series resonance and parallel resonance varying inductance, capacitance and frequency; Non sinusoidal waves; Four terminal networks; T, π & half section networks; Attenuators; Filters. DETAIL DESCRIPTION Theory : TRANSIENT PHENOMENA (WITH DC) 1. Understand the transient phenomena. 1.1. Define transient phenomena. 1.2. State the rise of current in an inductive circuit. 1.3. Explain the time constant diagrammatically. 1.4. Express mathematical deduction of exponential equation in an inductive circuit. 2. Understand the concept of rise and decay of current. 2.1. State decay of current in an inductive circuit. 2.2. Express mathematical deduction of the exponential equation on decay of current. 2.3. Use decay of current in field discharge resistor. 2.4. Solve problems on rise and decay of current. 3. Understand the transient phenomena in a R-C series circuit. 3.1. Explain the charging characteristic of capacitor. 3.2. Express mathematical deduction of the exponential equation related to charging of capacitor. 50 3.3. 3.4. 3.5. 3.6. Sketch the charging characteristic curve of capacitor. Solve problems related to time constant. Explain discharging characteristic of capacitor through resistor. Express mathematical deduction of the exponential equation for discharging capacitor. RESONANCE 4. Understand the effect of bandwidth and Q-factor in series resonance 4.1. Describe the resonant curve and bandwidth in series resonance. 4.2. Explain the effect of frequency upon reactance of the series resonance circuit. 4.3. Show the graphical representation of series resonance. 4.4. Explain resonance with curve when varying inductance. 4.5. Explain resonance with curve when varying capacitance. 4.6. Define Q-factor of a series resonance circuit. 4.7. Solve problems related to series resonance. 4.8. List the applications of series resonance. 5. Understand the effect of bandwidth and Q-factor in parallel resonance. 5.1. Define dynamic impedance and current magnification. 5.2. Describe the effect of Q-factor and bandwidth in parallel resonance circuit. 5.3. List the applications of series and parallel resonance. 5.4. Express mathematical deduction of the exact & approximate formula for parallel resonance. 5.5. Solve problems on parallel resonance. 5.6. Compare resonance in series circuit with that in parallel circuit. NON-SINUSOIDAL WAVES 6. Understand the principle of non sinusoidal waves. 6.1. State non-sinusoidal waves. 6.2. Explain non-sinusoidal waves as the sum of sine and cosine waves of different frequencies with graphical and mathematical representation. 6.3. State harmonics. 6.4. Explain harmonics in the Y-system. 6.5. Explain harmonics in the ∆-system. 7. Understand power of non-sinusoidal waves. 7.1. Calculate effective value of non-sinusoidal wave. 7.2. Explain power due to non-sinusoidal voltage and current. 7.3. Calculate volt-amperes due to non-sinusoidal voltage and current. 51 8. Understand power factor of non-sinusoidal waves. 8.1. Explain power factor due to non-sinusoidal waves. 8.2. Explain equivalent sine wave of non-sinusoidal wave. 8.3. Explain addition and subtraction of non-sinusoidal wave. 8.4. Solve problems related with non-sinusoidal wave. FOUR TERMINAL NETWORKS 9. Understand the features of four terminal network. 9.1. Describe the theorems related to four terminal networks. 9.2. Describe the classification of networks. 9.3. Define symmetrical and asymmetrical networks. 9.4. Illustrate the characteristic impedance, propagation constant, attenuation constant and phase constant of general four terminal symmetrical network connected in series. 9.5. Illustrate the iterative impedance, image impedance, image transfer constant and insertion loss of general four terminal asymmetrical network connected in series. 10. Understand the features of T, π, L and half section networks. 10.1. Explain T, π, L and half section networks. 10.2. Describe the characteristic impedance (Zo) in terms of lumped impedance (Z1, Z2) of symmetrical T section network. 10.3. Describe the characteristic impedance (Zo) in terms of lumped impedance (Z1, Z2) of symmetrical π section network. 10.4. Express the deduction of Zo in terms of Zoc and Zsc for T and π section. 10.5. Express the deduction of propagation constant in terms of Z1 and Z2 for T & π section. ATTENUATORS AND FILTERS 11. Understand the features of attenuator. 11.1. Define attenuator. 11.2. Express attenuation in decibels and nepers. 11.3. Describe the general characteristics of attenuating network. 11.4. Analyze attenuators involving symmetrical & asymmetrical, L & π type network. 11.5. Describe variable and ladder attenuator. 12. Understand the features of filter. 12.1. Define filter. 52 12.2. 12.3. 12.4. 12.5. 12.6. 12.7. 12.8. Mention the types of filter. Describe the general properties and application of low-pass, highpass, band-pass and band-stop filters. Represent the low-pass filter in symmetrical unbalanced and balanced T-section. Represent the low-pass filter in symmetrical unbalanced and balanced π section. Explain the operation of crystal filters. Describe the impedance matching of filters. Describe difference between active and passive filters. Practical : 1 Determine charging & discharging characteristics of capacitor. 1.1 Select a capacitor. 1.2 Select required equipment, tools & materials. 1.3 Sketch the circuit diagram. 1.4 Connect the circuit according to the circuit diagram. 1.5 Check all connection points before actual operation. 1.6 Connect proper power supply to the circuit. 1.7 Record the meter reading & record the time. 1.8 Connect a resistor/coil by switching with the circuit. 1.9 Plot the readings in graph paper. dν i 1.10 Verify the equation: d = C t 2 Determine resonance frequency and draw resonance curve from RLC series circuit. 2.1 Sketch the circuit diagram for RLC series resonance. 2.2 Select equipment, tools and materials for the experiment. 2.3 Connect the circuit according to the sketch. 2.4 Check all connection points before actual operation. 2.5 Record the readings from the meter applying power supply to the circuit. 2.6 Find the value of current, resistance, inductive reactance, capacitive reactance and impedance. 2.7 Sketch the resonance curve of current with the frequency as abscise and current, resistance, inductive reactance, capacitive reactance and impedance as ordinate. 53 3 Determine resonant frequency in RLC parallel circuit and draw of resonance curve. 3.1 Sketch the circuit diagram for RLC parallel resonance. 3.2 Select equipment, tools and materials for the experiment. 3.3 Connect the circuit according to the sketch. 3.4 Check all connection points before actual operation. 3.5 Record the data from the meter applying power supply to the circuit 3.6 Find current, resistance, inductive reactance, capacitive reactance and impedance. 3.7 Sketch the resonance curve with the frequency as abscise and current, resistance, inductive reactance, capacitive reactance and impedance as ordinate. 4 Determine the value of inductance in RLC series resonant circuit. 4.1 Sketch the circuit diagram. 4.2 Select equipment, tools and materials for the experiment. 4.3 Connect the circuit according to the circuit diagram. 4.4 Connect proper power supply to the circuit and record the data. 4.5 Sketch the resonance curve with the inductance as abscise and current, resistance, reactance as ordinate. 5 Determine the value of capacitance in RLC series resonance circuit. 5.1 Sketch the necessary circuit diagram. 5.2 Select equipment, tools and materials for the experiment. 5.3 Connect the circuit according to circuit diagram. 5.4 Record the data from the meter connecting power supply to the circuit 5.5 Plot the resonance curve with the capacitance as abscise and current, resistance, capacitive reactance, inductive reactance as ordinate. 6 Determine the values of resistance, inductance, capacitance and draw the vector diagram of RLC parallel circuit. 6.1 Sketch the circuit diagram for RLC parallel circuit. 6.2 Select equipment, tools & materials required for the experiment. 6.3 Connect the circuit according to the circuit diagram. 6.4 Check all connection points before energizing the circuit. 6.5 Record the data from the meter connecting power supply to the circuit 6.6 Find the value of resistance, inductance, capacitance and phase angle from the relevant data. 6.7 Verify the total current is equal to the vector sum of branch currents. 6.8 Sketch the vector diagram with the relevant data as obtained. 54 7 Determine power factor of a RLC series circuit and draw the vector diagram. 7.1 Sketch a circuit diagram for RLC series circuit. 7.2 Select equipment, tools & materials for the experiment. 7.3 Connect the circuit according to the circuit diagram. 7.4 Check all connection points before energizing the circuit. 7.5 Record the data from the meter connecting power supply to the circuit 7.6 Find the value of phase angle and power factor from the relevant data. 7.7 Sketch the vector diagram with the obtained data. 8 Determine power factor of a RLC parallel circuit and draw the vector diagram. 8.1 Sketch the circuit diagram of a RLC parallel circuit. 8.2 Select the equipment, tools & materials for the experiment. 8.3 Connect the circuit according to the circuit diagram. 8.4 Check all connection points before energize the circuit. 8.5 Record the data from the meter connecting power supply to the circuit 8.6 Find the value of phase angle and power factor from the data obtained. 8.7 Sketch the vector diagram with the relevant data. 9 Determine resonant frequency in RLC parallel circuit and draw the resonance curve. 9.1 Sketch the circuit diagram for RLC parallel resonance. 9.2 Select equipment, tools and materials required for the experiment. 9.3 Connect the circuit according to the circuit diagram. 9.4 Check all connection points before energizing the circuit. 9.5 Connect proper supply to the circuit. 9.6 Record the readings from the meter. 9.7 Find the value of current, resistance, inductive reactance, capacitive reactance and impedance 9.8 Sketch the resonance curve with frequency as abscise and current, resistance, inductive reactance, capacitive reactance and impedance as ordinate. 10 Measure the characteristic impedance of a symmetrical T network. 10.1 Select required components, connecting board, meter and necessary materials. 10.2 Construct a diagram of symmetrical T network. 10.3 Set components on the board as per diagram. 10.4 Check the connections. 10.5 Find the characteristic impedance. 10.6 Compare the obtained result with theoretical value. 55 11 Measure the attenuation of a symmetrical T type attenuator. 11.1 Select an attenuator circuit, components, meter, board and materials. 11.2 Connect the components on the board as per diagram. 11.3 Check the connections. 11.4 Collect required data. 11.5 Find the attenuation. 12 Determine the attenuation characteristics of a high pass filter. 12.1 Select required circuit, components, boards, meter and materials. 12.2 Connect the components as per diagram. 12.3 Collect required data for various frequencies. 12.4 Calculate attenuation from collected data. 12.5 Plot attenuation frequency curve. 13 Measure the attenuation constant, phase constant and propagation constant of transmission line. 13.1 Select a transmission line and required equipment, tools & materials. 13.2 Determine line constants using proper tools. 13.3 Calculate attenuation and phase constant from the data. 13.4 Calculate propagation constant from alpha and beta. REFERENCE BOOKS 1. 2. 3. 4. AC Circuits − Corcoran Introduction to electrical engineering – V. K. Mehta Networks filter and transmission line – P. K. jain Gurbir Kaur A Text Book of Electrical Technology − B. L. Therja 56 2747 ELECTRICAL INSTALLATION, PLANNING AND ESTIMATING T 3 P C 3 4 AIMS To provide the student with an opportunity to acquire knowledge, skill and attitude in the area of planning and estimating of electrical installation with special emphasis on: • Planning and preparation of estimate for an electrical installation. • Internal wiring and service connection. • Installation of electrical machines. • Electricity act / rules and safety practices. SHORT DESCRIPTION Planning and estimating; Measurement book, price sheet, catalogue and schedule of labor rate; Illumination; Conductor size and current carrying capacity; Electricity Acts/Rules; Electrical codes; Internal wiring installation; Distribution line; Installation of electrical machine/equipment; Testing electrical installation. DETAIL DESCRIPTION Theory: PLANNING AND ESTIMATING 1 Understand the concepts of electrical installation. 1.1 Explain electrical installation. 1.2 List at least three main types of electrical installations. 1.3 Define indoor and outdoor electrical installation. 1.4 Distinguish between indoor and outdoor electrical installation. 2 Understand the concept of planning of an electrical installation. 2.1 Define the term planning of an electrical installation. 2.2 Explain the necessity of planning of an electrical installation. 2.3 List at least five main categories of planning of an electrical installation. 2.4 List at least seven factors to be considered for proper planning. 2.5 Calculate the electrical load of residential building, college building, student hostel and office building. 3 Understand the concept of estimating of an electrical installation. 3.1 Discuss estimating of an installation. 3.2 Explain the necessity of estimating. 3.3 List at least three important steps for costing of an installation. 3.4 List at least eight steps to be considered for preparing an estimate. 57 MEASUREMENT BOOK, PRICE SHEET, CATALOGUE AND SCHEDULE OF LABOR RATES 4 Understand the importance of MB writing. 4.1 Describe MB. 4.2 Explain the necessity of MB. 4.3 Identify the style of maintaining an MB. 4.4 Identify proper specifications for the required materials form catalogue. 5 Understand the concept of price sheet and schedule of labor rates. 5.1 Describe price sheet and schedule of labor rates. 5.2 Explain the necessity of price sheet and labor rates for an estimate. 5.3 Prepare a price sheet and a labor rate schedule. ILLUMINATION 6 Understand the of illumination. 6.1 Define illumination. 6.2 Explain at least three laws of illumination. 6.3 Calculate illumination required for different purposes. 6.4 Prepare a chart of illumination for different purposes. 6.5 Solve problems related to illumination. 6.6 Define the terms Solid angle, Candela, Luminous flux, Luminous intensity, MSCP, MHSCP, Reduction factor. 7 Understand the concept of lighting scheme. 7.1 Discuss direct lighting, indirect lighting, semi-direct and semi-indirect lighting. 7.2 Discuss the level of illumination required for different purposes. 7.3 Discuss at least five factors to be considered for designing a lighting scheme. 7.4 Design a lighting scheme. CONDUCTOR SIZE AND CURRENT CARRYING CAPACITY 8 Understand the principle of calculating current carrying capacity and determining the conductor size. 8.1 Describe at least three factors to be considered for determining the conductor size. 8.2 Identify the conductor size from the table. 8.3 Calculate the current carrying capacity of a given circuit and the sub circuits. 58 ELECTRICITY ACTS /RULES 9 Understand the electricity Act/Rules and safety practices. 9.1 List at least ten main electricity rules of Bangladesh Electricity Act. 9.2 Describe the importance of electricity act/rules. 9.3 Explain the need for maintaining safety procedure against electrical hazards. 9.4 Explain at least five of safety measures. ELECTRICAL CODES 10 Understand the utility of electrical codes. 10.1 List at least ten electrical codes. 10.2 Explain different electrical codes. 10.3 State the advantages of using the electrical codes. INTERNAL WIRING INSTALLATION 11 Understand the installation of internal wiring. 11.1 Explain internal wiring installation. 11.2 Describe at least three main types of internal wiring. 11.3 Prepare schedule of materials for batten, conduit, concealed and casing wiring. 11.4 Sketch the layout plan for batten, conduit, concealed and casing wiring of small building. 11.5 Calculate the load of main circuit and sub circuits. 11.6 Select the sizes of wire, main switch, sub-main switches and switches. 11.7 Prepare a detail estimate for necessary materials and labor of installation of internal wiring. 11.8 Prepare a summary of the estimate. 11.9 Prepare an estimate by point method. 12 Understand the concept of earthing. 12.1 Describe earthing. 12.2 Explain the necessity of earthing. 12.3 Explain at least three methods of earthing. 12.4 Prepare an estimate for earthing. 12.5 Explain the method of testing of an earthing installation. 12.6 List the desired value of earth resistance for different installations. 13 Understand wiring layout and schematic diagram of an electrical installation. 13.1 Sketch the layout plan for casing wiring of a small workshop showing lighting loads. 59 13.2 Sketch the layout plan for conduit wiring of a small workshop showing lighting loads. 13.3 Sketch the layout plan of casing wiring of the same workshop showing power loads. 13.4 Sketch the layout plan of conduit wiring of the same workshop showing power loads. 13.5 Sketch the layout plan for service connection showing the required energy meter. 13.6 Sketch the layout plan for earth connection. 13.7 Calculate power loads and lighting loads respectively of main circuit and sub-circuits. 13.8 Select the sizes of wire, main switch, sub-main switches, switches and distribution boards to lighting and power line respectively. 13.9 Prepare an estimate for the required materials and labour from the schedule. 13.10 Prepare an estimate for earth connections and earthing. 13.11 Prepare a summary of the estimate. DISTRIBUTION LINE 14 Understand the estimate of LT overhead distribution line. 14.1 Sketch the layout plan of a 400V, 3-phase, 4-wire overhead distribution line with street poles, conductors, insulators and other accessories. 14.2 Prepare a schedule of materials required for overhead line. 14.3 Prepare an estimate for required materials for one kilometre long overhead LT distribution line with the 5th wire for street lighting. 14.4 Prepare a schedule of labor for overhead LT distribution line. 14.5 Prepare an estimate for overhead LT distribution line. 14.6 Prepare a summary of the estimate. INSTALLATION OF ELECTRICAL MACHINE/ EQUIPMENT 15 Understand the principle of installation of electrical machine and equipment. 15.1 Sketch the layout plan and single line wiring diagram of a motor connection 15.2 Identify the position of motor, main switch, starter and accessories in the diagram. 15.3 Calculate the distance of the motor, main switch and starter from the mains. 15.4 Determine the sizes of wire, main switch and starter for the installation. 15.5 Prepare the material cost. 15.6 Estimate labor charge. 15.7 Prepare the estimate adding contingencies . 60 16 Understand the principle of installation of substation. 16.1 Sketch the layout plan and single line diagram of a substation. 16.2 Identify the position of the transformer, circuit breaker, auto re-closer, lightning arrester, isolator and incoming and outgoing bus bar arrangement. 16.3 Prepare a schedule of materials required. 16.4 Prepare an estimate. TESTING ELECTRICAL INSTALLATION 17 Understand the principle of testing of electrical installation. 17.1 Describe at least five main tests to be carried out after completion of wiring of a building. 17.2 Describe the tests to be performed after installation of a motor. 17.3 Describe the tests to be performed after installation of a transformer. Practical: 1 Measure the illumination level of a surface. 1.1 Select the lumen meter. 1.2 Measure the illumination level in your wiring lab/ class room. 1.3 Compare the obtained reading with the calculated value. 2 Plan and estimate for electrification of a class room. 2.1 Sketch the layout plan and single line wiring diagram of a class room. 2.2 Sketch the wiring and circuit diagram. 2.3 Indicate the positions of electrical fittings in the plan. 2.4 Find out the sizes of wire and main switch from the calculated load of main circuit and sub-circuits following electricity rules. 2.5 Measure the distances of fittings from the main board & BDB and find out the length of the wire. 2.6 List the materials in the schedule and find out the cost. 2.7 Add labor charges from the schedule with material cost for the summary of estimate. 3 Plan and estimate for electrification of a single storied residential building. 3.1 Sketch the layout plan of a single storied residential building of about 1250 square feet plinth area in a three katha land with boundary wall and gate showing the position of electric pole for service connection. 3.2 Sketch the wiring and circuit diagrams and show the service connection. 3.3 Show the positions of electrical fittings in the plan. 61 3.4 3.5 3.6 3.7 Find out the size of wire, main switch, BDB, fuse or MCB from the calculated load of circuit and sub circuit. Measure the distance of the fittings from the board to find out the length of wires. List the materials in the schedule of materials and find out the cost. Add labor charge from the schedule with the material cost for the summary of the estimate. 4 Plan and estimate for electrification of a multistoried building. 4.1 Sketch the elevation and floor plan of the building. 4.2 Sketch the wiring and circuit diagrams of a flat. 4.3 Show the positions of the fittings in a flat. 4.4 Find out the size of wires, main switch, fuse or MCB. 4.5 Measure the distance of the fittings from the board to find out the length of wire. 4.6 Identify the rising main and power distribution system. 4.7 Prepare the estimate for electrification of the building. 5 Plan and estimate for electrification of an electrical machine shop. 5.1 Sketch the layout plan and single line wiring diagram of the shop. 5.2 Sketch the wiring and circuit diagrams. 5.3 Indicate the positions of the fittings in the plan. 5.4 Find out the size of wires, main switch, fuse or MCB. 5.5 Measure the distance of the fittings from the board to find out the length of wire. 5.6 List the materials in the schedule of materials and find out the cost. 5.7 Add labor charge with the cost of material for the summary of estimate. 6 Perform casing wiring. 6.1 Sketch the layout plan. 6.2 Sketch the wiring and circuit diagrams. 6.3 Indicate the positions of the fittings. 6.4 Find out the size of wire, main switch, fuse/MCB. 6.5 Measure the distance of the fittings from the main switch. 6.6 Estimate the cost including labour charges. 6.7 Mark the position of the fittings. 6.8 Fix up the rowel plugs on the wall. 6.9 Fix up boards and casing on wall. 6.10 Fasten wires. 6.11 Fix up switches and outlets. 6.12 Fix up the energy meter, cut-out MCB and main switch. 62 6.13 Connect power supply. 7 Test an electrical installation (machine/equipment) before commissioning. 7.1 Select the machine/equipment to be tested. 7.2 Test continuity of the winding of the machine/equipment by AVO meter. 7.3 Test the insulation resistance within the coils by Megger. 7.4 Test the insulation resistance with the coils and body of the machine/equipment by Megger. 7.5 Measure the resistance of the earth point which will be connected to the body of the machine/equipment. 8 Install a single phase/three phase service connection. 8.1 Sketch the layout plan showing single line service connection from the nearest pole to the service entrance of the building. 8.2 Determine the total electrical load of the installation. 8.3 Measure the distance from the meter at premises to the nearest electric pole. 8.4 Prepare the material cost. 8.5 Add labor charges. 8.6 Add contingencies 8.7 Add lump sum for petty stores like cement, bricks and sand etc. 8.8 Prepare the summary of estimate. 8.9 Procure the materials and hand tools. 8.10 Fix up brackets, service pipe and insulators. 8.11 Draw two GI guard wires with carlings (use draw vice). 8.12 Draw the single core PVC wires through the pipe up to the meter inside the premises. 8.13 Connect one aerial fuse with the phase. 9 Perform the installation of three phase induction motor. 9.1 Sketch the layout plan and single line wiring diagram of the motor connection. 9.2 Indicate the position of the motor, main switch and starter. 9.3 Measure the distance of the motor, starter and main switch from the supply main. 9.4 Find out the sizes of wires, main switch and starter. 9.5 Prepare the material cost. 9.6 Add labor charges with the cost of materials for the summary estimate. 9.7 Add contingencies. 9.8 Following electricity rules, connect the mains and operate the motor. 9.9 Install the components and connect to the power source and observe the performance. 63 10 Determine cable size from cable catalogue. 10.1 Calculate the load of main circuits and sub-circuits of different installations. REFERENCE BOOKS 1. Electrical Installation Planing & Estimating – J. B. Gupta. 2. Electrical Installing Planning and Costing – Uppal. 64 2847 BASIC ELECTRONICS – II T 2 P C 3 3 OBJECTIVES • To develop comprehensive knowledge and skill on transistor configuration and transistor switch. • To develop skill on testing diode and transistor. • To provide understanding and skill on oscillator. • To develop understanding and skill on field effect transistor. • To provide understanding on the function and operation of electronic logic circuit with basic relay circuits. SHORT DESCRIPTION Configuration of transistor amplifiers; Different types of transistor amplifiers; Transistor switches; Oscillators; Field effect transistors, Basic relay and Logic circuits. DETAIL DESCRIPTION Theory : 1 Understand the features of CE transistor amplifier. 1.1 Identify the supply polarities and direction of current in CE mode in NPN and PNP transistor. 1.2 Identify the input and output current loop. 1.3 Mention the principle of amplification in CE mode. 1.4 Mention input and output phase relationship. 1.5 Express the deduction of formulae for finding dc beta (β), ac beta (β), voltage and power gain, input and output impedance. 2 Understand the characteristics of CE transistor amplifier. 2.1 Draw the input and output characteristic curves of CE amplifier. 2.2 Explain the cut off, active and saturation regions. 2.3 Mention the current relationship including leakage current. 2.4 Mention the typical values of input and output impedances, current, voltage and power gain. 2.5 Describe the standard biasing technique or fixing of operating points and effect of changes in β and/or temperature on the operating point stability. 65 2.6 3 Solve problems involving calculation of circuit components, dc and ac voltage and current at various points, I/P and O/P impedances, current gain, voltage gain, power gain and design of simple one transistor amplifier. Understand the features of CB transistor configuration. 3.1 Mention the supply polarities and direction of current flow in CB mode in PNP and NPN transistor. 3.2 Mention the principle of amplification. 3.3 Mention the input and output phase relationship. 3.4 Express the deduction of formulae for finding dc alpha (α), ac alpha (α), voltage and power gain, input and output impedances. 3.5 Draw the input and output characteristic curves. 3.6 Mention the typical values of input impedance, output impedance, current gain, voltage gain and power gain. 3.7 Mention the application of CB amplifier. 3.8 Solve simple problems involving calculation of parameters. 4 Understand the features of CC transistor amplifier. 4.1 Identify the supply polarities and direction of current flow in CC mode in PNP and NPN transistor. 4.2 Mention the principle of amplification and input & output phase relationship. 4.3 Express the deduction of formulae for finding current, voltage and power gain and input & output impedance. 4.4 State the leakage current in CC mode. 4.5 List the application of CC transistor circuit as unity gain buffer amplifier, impedance matching circuit, etc. 5 Understand the features of amplifier. 5.1 Mention the classification of amplifiers. 5.2 Describe the operation of single stage R-C coupled amplifier. 5.3 Explain the frequency response of amplifier. 5.4 Mention the dependence of components values and transistor parameters on frequency response of amplifier. 5.5 Explain commonly used terms with frequency response such as half power point, 3db point, upper and lower cut-off frequencies, bandwidth, decibel and gain bandwidth product. 5.6 Outline the need for cascading amplifiers. 5.7 Identify different types of coupling. 5.8 Define class A, B, AB and C amplifiers. 5.9 Explain the operation of class B push-pull amplifier. 6 Understand the features of tuned and feedback amplifier. 6.1 Identify different types of tuned voltage amplifier. 6.2 Explain frequency response of a single tuned amplifier. 66 6.3 6.4 6.5 Explain the positive & negative feed back in amplifier. Express the deduction of formulae for finding feedback gain. Mention the effect of negative feedback on gain, stability, distortion, bandwidth and noise. 7 Understand the concepts of decibel system to express gain and attenuation. 7.1 Mention the main characteristics of the decibel system when used for power, current and voltage ratios. 7.2 Identify voltage, current and power gain/attenuation in decibels. 7.3 Mention the advantages of expressing power and voltage gain in decibels. 7.4 Solve gain and attenuation problems using decibels. 8 Understand the operation of transistor as a switch in CE mode. 8.1 State the meaning of ideal and practical switch. 8.2 Mention the need of fast switch. 8.3 State the changing of operating point of switch cut-off to saturation and vice versa. 8.4 Explain the pulse response of a transistor showing switching characteristics. 8.5 Solve simple problems of transistor as a switch. 8.6 Describe the operation of a simple transistor switching circuit controlling current through resistors and LEDs filament bulbs and relays. 8.7 Mention the purpose of flywheel (or freewheel) diode. 9 Understand the features of oscillators. 9.1 Draw a block diagram of a simplified negative feedback amplifier, containing an error detector, amplifier (A) and feedback (β) network. 9.2 Express the deduction of formulae for finding the negative feedback gain expression : A VOUT VIN = 1+βA 9.3 Mention the effect of positive feedback on amplifier gain. 9.4 Explain simple waveform diagrams to show how stable oscillations can be produced with no external input, if the loop gain is unity and the loop phase shift is 360°. 9.5 Explain the operation of : a) R-C phase shift b) Wien bridge (Op-Amp type) c) Tuned collector d) Blocking 9.6 Solve problems involving the calculation of oscillator frequency. 67 10 Understand the features of field effect transistor (FET). 10.1 Define field effect transistor. 10.2 Distinguish between bipolar and field effect transistor. 10.3 Identify different types of field effect transistor. 10.4 Describe the construction of p & n channel depletion mode JFET. 10.5 Mention the principle of operation of p & n channel depletion mode JFET. 10.6 Mention the characteristics of JFET with special emphasis on power supply requirements. 10.7 Explain briefly the associated terms parameters, practical parameter values and ratings of JFET. 10.8 Describe the biasing of FET in circuit application. 10.9 Explain the operation of common source (CS) and common drain (CD) FET amplifier circuits. 10.10 List the application of FET in analogue and digital ICs. 11 Understand the features of MOSFET. 11.1 Describe the principles of operation of p & n channel MOSFET in enhancement, depletion and enhancement depletion mode. 11.2 Mention the characteristics of MOSFET. 11.3 Explain the associated terms parameters, practical parameter values and ratings of MOSFET. 11.4 Mention the principles of operation of complenmentary MOS (CMOS). 12 Understand the features of basic relay and logic circuits. 12.1 Explain the operation of a relay. 12.2 Explain the function of a relay. 12.3 Explain the operation of a simple motor starter circuit using start, stop and latching relay contact. 12.4 Mention the advantages of pressure switch and overload contacts in motor starter circuit. 12.5 Describe the function of AND, OR, NOT and universal gates. 12.6 Draw the logic circuits which perform simple combinational switching problems. 12.7 Compare the electronic logic circuits with basic relay circuits. Practical : 1 Perform static testing of a range of transistors. 1.1 Select 5 or 6 different types of small signal and power transistor and compare their basic characteristics using manufactures’ literature. 1.2 Identify different transistor package types and base, emitter and collector terminals. 68 1.3 1.4 Identify the terminal by using an AVO meter set to the ohms range. Identify working and non-working transistor by taking resistance measurements across known terminals, using an AVO meter set to the ohms range. 2 Determine the operating points for a fixed bias transistor ckt. 2.1 Select components, avometers, bread board and required materials. 2.2 Build up the circuit with the components on the board. 2.3 Set the avometer in voltage scale. 2.4 Determine the VCE. 2.5 Set the avometer in milliampere scale. 2.6 Determine the IC. 2.7 Record the operating points. 3 Determine the operating points for a potential divider type transistor circuit. 3.1 Select components, avometers, circuit board and required materials. 3.2 Build up the circuit with the components on the board. 3.3 Set the avometer in the voltage scale. 3.4 Obtain the value VCE. 3.5 Set the avometer in the milliampere scale. 3.6 Obtain the value of IC. 3.7 Record the value of operating points. 4 Determine input and output characteristic of a transistor in common base connection. 4.1 Select components, avometer, circuit board and required materials. 4.2 Build up the circuit with the components on the board connecting meters with appropriate setup. 4.3 Adjust the biasing at minimum. 4.4 Record the input and output voltage and current. 4.5 Increase the biasing data for input and output. 4.6 Obtain sufficient data for input and output. 4.7 Plot the graph with the data. 5 Determine the input and output characteristics of a transistor in common emitter connection. 5.1 Select components, avometers, circuit board and required materials. 5.2 Build up the circuit with the components on the circuit board connecting avometers properly. 5.3 Adjust the biasing voltage to appropriate point. 5.4 Record the input and output voltage and current. 5.5 Increase the bias voltage at regular steps. 69 5.6 5.7 Collect sufficient data for input and output. Plot the graph with data. 6 Determine the input impedance, output impedance, dc alpha, ac alpha of a common base transistor connection. 6.1 Select components, avometer, circuit board and required materials. 6.2 Build up the circuit for the experiment. 6.3 Obtain the voltage and current at the appropriate point of the circuits with appropriate conditions. 6.4 Use the formulae to determine input impedance, output impedance, dc alpha and ac alpha. 6.5 Compare the measured values with the parameters supplied by the manufacture. 7 Determine input, output impedance, dc beta, ac beta of a common emitter transistor connection. 7.1 Select components, avometer, circuit board and required materials. 7.2 Build up the circuit for the experiment. 7.3 Obtain the voltage and current at different point with appropriate condition. 7.4 Use proper formulae to determine input impedance output impedance, dc beta and ac beta. 7.5 Compare the measured values with the parameters supplied by the manufactures. 8 Determine input impedance, output impedance and current amplification factor of a common collector transistor connections. 8.1 Select components, avometers, circuit board and required materials. 8.2 Build up the circuit for the experiment. 8.3 Obtain the voltage and current at appropriate point with appropriate condition. 8.4 Use formulae to determine input impedance output impedance and current amplification factor. 8.5 Compare the measured values with the parameters supplied by the manufactures. 9 Study the switching characteristic of a transistor by testing simple switching circuit such as light controlled relay operated alarm circuit. 9.1 Select components, avometers, circuit board and required materials. 9.2 Build up the circuit with the components. 9.3 Expose the light to a photocell. 9.4 Observe the operation of relay due to operation of the transistor switch. 70 10 Study the frequency response of single stage R-C couple amplifier. 10.1 Select equipment, tools and materials for the experiment. 10.2 Build up the circuit with components. 10.3 Connect the signal generator to the input of the amplifier. 10.4 Connect the oscilloscope to the output of the amplifier. 10.5 Adjust the signal generator for low frequency. 10.6 Obtain the gain and frequency. 10.7 Increase the frequency in regular steps. 10.8 Record the gains and frequencies. 10.9 Plot the graph with gains and frequencies. 11 Determine the characteristics of MOSFET (enhancement and depletion type). 11.1 Select equipment, tools and materials. 11.2 Build up the circuit with the components connecting necessary meters. 11.3 Adjust the biasing properly. 11.4 Obtain the output voltages and current for enhancement as well as depletion types. 11.5 Obtain sufficient data with adjustment of biasing. 11.6 Plot the characteristic curve with the data. 12 Construct to verify the operation of basic relay switching and latching circuits. 12.1 Select relay, push button switch, thermal relay or guard switch, a.c power supply and materials. 12.2 Connect the motor starter circuit according to a given circuit diagram. 12.3 Test and verify the action of the circuit. 12.4 Draw conclusions relating to relay control circuit operation and applications. 13 Verify the action of OR, AND, NOT and universal gates. 13.1 Select the TTL or CMOS, gate ICs and 5 volt power supply, logic probe/LED with 470 ohms series resistor, bread board or logic trainer. 13.2 Verify the action of each gate. 13.3 Compare the results with theoretical logic truth tables. 14 Construct to verify the specific combination circuit. 14.1 Select any combinational circuit. 14.2 Select the logic trainer. 14.3 Build up the circuit in the trainer. 14.4 Verify the action of circuit. 71 REFERENCE BOOKS 1 Electronic Devices and Circuits − Jacob Millman and C. Halkias 2 Introduction to Digital Computer and Applications − Malvino 3 Electronic Devices and Circuits − G. K. Mithal 4 Industrial Electronics − G. K. Mithal 5 Modern Digital Electronics − R. P. Jain 72 2621 SPREADSHEET ANALYSIS T 0 P C 3 1 AIMS • To provide skill on spreadsheet applications. • To develop skill on database management. • To develop skill in creating graphs. SHORT DESCRIPTION Spreadsheet fundamentals; Applications of spreadsheet; Using worksheet; Apply formula and functions in worksheet; Database management, Creating & printing graphs; Create simple macros. DETAIL DESCRIPTION [ THE FOLLOWING EXPERIMENTS ARE GIVEN IN IBM COMPUTERS. SIMILAR EXPERIMENTS ARE EXPECTED TO BE PERFORMED IN APPLE MACINTOSH COMPUTERS ] 1. Apply the basic skills of a spreadsheet software package 1.1. Run a spreadsheet software package. 1.2. Identify and use different areas (working area, border area, control panel, mode indicator, status indicator, date & time indicator) of the worksheet screen. 1.3. Identify the function of different keys (typing key, calculator key, text key, cursor key and function key, etc.) of the keyboard. 1.4. Move around the worksheet using keys and combination of key. 1.5. Identify and use the on-screen help facility. 1.6. Identify and use the types of data, numbers, labels and formula. 1.7. Discover menus, submenus, pop-up menu, etc. 2. Manage workbooks and windows. 2.1. Make and use workbooks. 2.2. Access different types of files. 2.3. Open files as read only. 2.4. Demonstrate the options for saving files. 2.5. Display a workbook in more than one window 2.6. Work with more than one workbook. 2.7. Close a workbook. 73 3. Create a worksheet and use simple commands. 3.1. Activate entries in a worksheet. 3.2. Use edit key (F2) to correct or to modify entries. 3.3. Activate the command menus and select commands. 3.4. Save the work sheet. 3.5. Exit from spreadsheet and return to DOS. 3.6. Retrieve a previously saved worksheet. 3.7. Modify the worksheet. 3.8. Save a modified worksheet. 3.9. Print the worksheet. 4. Apply formulae and functions. 4.1. Use simple formulae to solve arithmetical computation. 4.2. Use arithmetical operators in formulae and logical formulae. 4.3. Edit formulae. 4.4. Use mathematical functions to solve simple equations. 4.5. Change the evaluation order. 4.6. Control the worksheet calculation. 5. Solve engineering problems using formula and functions. 5.1. Use mathematical functions to compute trigonometric values, absolute values, random number, square root, logarithmic values, etc for solving engineering problems. 5.2. Use logical functions to perform an operation depending on a condition in engineering problem. 5.3. Use statistical functions to compute summation, average, minimum value, maximum value, etc in engineering problem. 6. Show skill in using templates. 6.1. Open new files based on templates. 6.2. Make and use workbook templates. 6.3. Make changes in existing workbook templates. 6.4. Validate numbers, dates, times & text. 6.5. Show custom validation. 7. Work with cell addresses and cell ranges. 7.1. Use GOTO key to move the cell pointer to a particular cell. 7.2. Use the ABSOLUTE KEY to change cell addresses from one form to another in formulae or in functions. 7.3. Enter range in formulae or in functions by typing directly or by using cell pointer. 74 7.4. 7.5. 7.6. 7.7. 7.8. Produce a named range. Use named range in formulae or functions. Copy cell ranges (one to one, one to many and many to many) with special attention for copying formulae and functions. Move cell ranges. Erase cell ranges. 8. Format a worksheet. 8.1. Change the width of a column, a range of column, and change the columns width globally. 8.2. Insert blank columns and blank rows in a worksheet. 8.3. Delete columns and blank rows in a worksheet. 8.4. Format the display of data of a worksheet globally or by referring a range of cells (e.g. currency format, exponential format, comma format, etc.). 8.5. Format the display of date and time of a worksheet globally or referring a range of cells. 8.6. Protect worksheet functions, formulae/important text and unprotect a range for entering entries. 8.7. Work with window for viewing a worksheet in different ways and freeze rows or columns to use them as titles. 8.8. produce, change and delete a style. 9. Exercise on setting up worksheet for printing. 9.1. Show the look of printed pages. 9.2. Change or adjust margins. 9.3. Produce and use page headers of footers. 9.4. Set print area, print titles and different print options. 9.5. Print sections of a worksheet formulae and few pages. 9.6. Print ranges from different worksheets on the same pages. 10. Solve simultaneous linear equations using matrix multiplication. 10.1. Multiply two matrices. 10.2. Compute the inverse of a matrix. 10.3. Solve simultaneous equations (from 2 to 5 equations) with the help of matrix applied in engineering subjects). DATABASE MANAGEMENT 11. Use database management. 11.1. produce a database program. 11.2. Sort a database in different ways. 11.3. Search a record from the database using a search criteria. 75 11.4. 11.5. Extract records from the database that match a given criteria. Delete records that match a given criteria from the database using available database commands. CREATING & PRINTING GRAPHS 12. Create graphs. 12.1. Produce bar, line, X-Y and pie graphs. 12.2. Add color, titles, legend, grid and data levels to the graph. 12.3. Add visual impact with colors. 12.4. Produce linked pictures. 12.5. Save the graphs and assign names to different graphs of a single worksheet. 13. Print graphs. 13.1. Print graphs (low or high quality graphs). 13.2. Plot graphs using a plotter using different colors. 13.3. Change graphs size, print & plot them. MACROS & MACRO COMMAND LANGUAGES 14. Create macros. 14.1. Produce simple macros (e.g. to change the width of a cell, to format a cell display, to erase a range of cells, etc.) using keystroke commands. 15. Create macros using macro command languages. 15.1. Produce a macro to convert values into labels and vice versa. 15.2. Produce a macro for inserting alternate blank rows between two rows of data in a worksheet. 15.3. produce a macro for deleting the inserted blank rows in a worksheet. 76 3146 PRIMEMOVERS T 2 P C 0 2 AIMS To provide the students with an opportunity to acquire knowledge and attitude in the area of primemovers with special emphasis on : • fundamentals of primemovers. • internal combustion engines. • steam generator. • boiler accessories and mountings. • steam turbines. • gas turbines. • water turbines. SHORT DESCRIPTION Fundamentals of primemovers; Diesel engine; Petrol engine; Steam generator; Boiler accessories & mountings; Boiler draught and boiler performance; Steam condensers; Steam turbines; Gas turbines; Water turbines. DETAIL DESCRIPTION FUNDAMENTALS OF PRIMEMOVERS 1 Understand the fundamentals of primemovers. 1.1 State the meaning of primemover. 1.2 Explain the importance of primemover. 1.3 List the primemovers used in different sectors. 1.4 Mention the specific application of different primemovers. INTERNAL COMBUSTION ENGINES 2 Understand the features of internal combustion engine. 2.1 State the meaning of internal combustion (IC) engine. 2.2 Mention the classification of the IC engines. 77 2.3 2.4 2.5 2.6 2.7 2.8 Define bore, stroke, clearance volume, swept volume, total volume and compression ratio. Distinguish between the 2-stroke and 4-stroke engines. Identify the stationary parts and moving parts of IC engine. Mention the function of major IC engine components. Describe the construction of major IC engine components. Describe the operation of major IC engine components. 3 Understand the features of petrol engine. 3.1 Mention the principle of operation of a 4-stroke petrol engine. 3.2 Mention the principle of operation of a 2-stroke petrol engine. 3.3 Compare the 2-stroke and 4-stroke petrol engines. 3.4 List the systems of petrol engine. 3.5 Mention the function of petrol engine systems. 3.6 Describe the construction of components of petrol engine systems. 3.7 Describe the operation of petrol engine systems. 3.8 Describe the intake and exhaust system of petrol engine. 3.9 Mention the uses of petrol engine. 4 Understand the features of diesel engine. 4.1 Mention the principle of operation of a 4-stroke diesel engine. 4.2 Mention the principle of operation of a 2-stroke diesel engine. 4.3 Compare 2-stroke and 4-stroke diesel engine. 4.4 Name the diesel engine systems. 4.5 Identify the components of diesel engine systems 4.6 Mention the functions of diesel engine systems. 4.7 Describe the construction of components of diesel engine systems. 4.8 Describe the operation of diesel engine systems. 4.9 Describe the supercharger and turbocharger used in diesel engine. STEAM GENERATOR 5 Understand the features of steam generator/boiler. 5.1 State the function of steam generator/boiler. 5.2 Mention the classification of boiler. 78 5.3 5.4 5.5 5.6 5.7 5.8 5.9 6 Describe the construction of various types of water tube boiler. Describe the operation of various types of water tube boiler. Describe the construction of various types of fire tube boiler. Describe the operation of various types of fire tube boiler. Distinguish between fire tube and water tube boilers. Mention the specific applications of different fire tube and water tube boilers. List the advantages and disadvantages of different types of boiler. Understand the features of boiler accessories and mountings. 6.1 State the meaning of boiler accessories and mountings. 6.2 Identify the accessories and mountings used in boiler. 6.3 Describe the construction of different types of boiler accessories. 6.4 Describe the operation of different types of boiler accessories. 6.5 Describe the use of different types of boiler accessories. 6.6 Describe the construction of boiler mountings. 6.7 Describe the operation of boiler mountings. 6.8 Describe the use of boiler mountings. 6.9 Mention the advantages of economizer and superheater used in the steam plant. BOILER DRAUGHT 7 Understand the features of boiler draught. 7.1 State what is meant by the boiler draught. 7.2 Mention the function of boiler draught. 7.3 Mention the classification of the boiler draughts. 7.4 Explain the operation of different types of boiler draughts. PERFORMANCE OF BOILER 8 Understand the performance of boiler. 8.1 State the meaning of boiler performance. 8.2 Mention the terms used to express boiler performance. 8.3 Describe the equivalent evaporation. 8.4 Explain the factor of evaporation. 79 8.5 8.6 8.7 8.8 State the meanings of boiler efficiency, boiler capacity and boiler horse power. Mention the heat losses in a boiler. Make a heat balance sheet of a boiler. Solve problems on boiler performance. STEAM CONDENSERS 9 Understand the features of steam condenser. 9.1 State the function of condenser used in steam plant. 9.2 Mention the classification of the steam condenser. 9.3 Describe the construction of different types of steam condenser. 9.4 Describe the operation of different types of steam condenser 9.5 Describe the importance of vacuum in the in the condenser. 9.6 Explain the vacuum efficiency and condenser efficiency. STEAM TURBINES 10 Understand the features of steam turbines. 10.1 State the meaning of steam turbine. 10.2 Mention the classification of the steam turbines. 10.3 Mention the principle of impulse and reaction turbine. 10.4 Describe the construction of de-level impulse turbine. 10.5 Describe the operation of de-level impulse turbine. 10.6 List the use of de-level impulse turbine. 10.7 Compare the impulse and reaction turbine. 10.8 Identify different types of compound impulse turbine. 10.9 Describe the construction of reaction turbine. 10.10 Describe the operation of reaction turbine. 10.11 List the use of reaction turbine. 10.12 Describe the governing of turbine. GAS TURBINES 11 Understand the features of gas turbines. 11.1 State the meaning of gas turbines. 11.2 Mention the classification the gas turbines. 80 11.3 Mention the advantages of gas turbine over steam turbine and internal combustion engine. 11.4 Describe the construction of a constant volume combustion turbine. 11.5 Describe the operation of a constant volume combustion turbine. 11.6 Describe the construction of an open cycle constant pressure combustion gas turbine. 11.7 Describe the operation of an open cycle constant pressure combustion gas turbine. 11.8 Describe the construction of a closed cycle constant pressure combustion gas turbine. 11.9 Describe the operation of a closed cycle constant pressure combustion gas turbine. 11.10 Mention the use of gas turbines. WATER TURBINES 12 Understand the features of water turbines. 12.1 State the meaning of water turbine. 12.2 Mention the classification of water turbine. 12.3 Describe the principle of water turbine. 12.4 Describe the principle of reaction water turbine. 12.5 Compare the impulse and reaction turbines. 12.6 Describe the operation of a Pelton water turbine. 12.7 Describe the operation of Kaplan turbine. 12.8 Describe the operation of Fransis trubine. REFERENCE BOOKS 1 Elements of Heat Engines 2 − K. P. Roy − G. R. Nagpal − V. P. Vasandani & D. S. Kumar − A. S. Sarao Power Plant Engineering 3 Heat Engineering 4 Thermal Engineering 81 3033 APPLIED MECHANICS T 2 P C 3 3 AIMS • To provide the understanding of the composition and resolution of forces and computing the resultant forces. • To provide the ability of computing moments of inertia of different simple sections and solid bodies. • To enable to understand the laws of friction and the co-efficient of friction. • To provide the understanding of deriving support reactions and types of loading on simple beams and structures. • To enable to understand the concept and principle of motion and simple harmonic motion. • To facilitate the understanding of work-power-energy, projectiles and gear trains. SHORT DESCRIPTION Composition and resolution of forces; Moments and their applications; Equilibrium of forces; Center of gravity; Moment of inertia; Friction; Support reaction; Simple harmonic motion; Projectiles; Work, power and energy; Gear trains. DETAIL DESCRIPTION Theory : 1 Understand the composition and resolution of forces. 1.1 State the effect of forces. 1.2 Mention the characteristics of a force. 1.3 Define resultant force and composition of forces. 1.4 Find the resultant force graphically and analytically. 1.5 Write the laws of forces. 1.6 Define resolution of a force. 1.7 State the principle of resolution of force. 2 Understand the principles of resultant force. 2.1 Express the deduction of the formula for finding the resolved part of a component. 2.2 Find the position of the resultant force graphically and analytically. 2.3 Solve problems related to resultant force. 82 3 Understand the aspects of moment of forces. 3.1 Define moment of force. 3.2 Represent the moment of a force geometrically. 3.3 Mention the units of moment. 3.4 Identify the clockwise and anticlockwise moment. 3.5 State the Varignon’s principle of moments. 3.6 State the laws of moments. 3.7 State what is meant by the lever. 3.8 Identify the types of lever. 3.9 Solve problems related to moment of forces. 4 Understand the aspects of equilibrium of forces. 4.1 Mention different system of forces. 4.2 State the principles of equilibrium of forces. 4.3 State the Lami’s theorem. 4.4 Express the derivation of Lami’s theorem. 4.5 Describe different methods of the equilibrium of coplanar forces and non-coplanar forces. 4.6 Explain the conditions of equilibrium. 4.7 Mention the various types of equilibrium of forces. 4.8 Solve problems related to equilibrium of forces. 5 Understand the concept of center of gravity. 5.1 Define center of gravity and centroid. 5.2 Distinguish between center of gravity and centroid. 5.3 Explain the methods of finding out center of gravity of simple geometrical figure. 5.4 Determine the center of gravity of simple geometrical figure geometrically and by integration. 5.5 Identify the axis of reference and axis of symmetry. 5.6 Determine the center of gravity of plain geometrical figure by first principle of moments. 5.7 Calculate the center of gravity of compound geometrical figure or areas by moments. 5.8 Calculate the center of gravity of solid bodies. 6 Understand the application of moment of inertia. 6.1 Explain the term moment of inertia. 6.2 Mention the units of moment of inertia. 6.3 Express the derivation of the formulae for moment of inertia of an area. 83 6.4 6.5 6.6 6.7 6.8 6.9 6.10 Describe the methods for finding out the moment of inertia. Find the moment of inertia of simple areas by the method of integration. State the theorem of perpendicular axis as applied to moment of inertia. Show the proof of the theorem of perpendicular as applied to moment of inertia. State the parallel axis theorem in the determination of moment of inertia of areas. Explain the radius of gyration and section modulus. Calculate the moment of inertia and section modulus of composite sections and simple solid bodies. 7 Understand the principles of mass moment of inertia. 7.1 Explain the mass moment of inertia 7.2 Mention the units of mass moment of inertia. 7.3 State the formulae for finding out the mass moment of inertia of uniform rod, circular ring, circular lamina and solid sphere. 7.4 Calculate the mass moment of inertia of simple solid bodies and flywheel. 8 Understand the principles of friction. 8.1 Define friction. 8.2 State the laws of static and dynamic friction. 8.3 Identify the types of friction. 8.4 Explain the angle of friction. 8.5 Explain coefficient of friction. 9 Understand the application of friction. 9.1 Determine the frictional force of a body lying on an inclined plane. 9.2 Identify the ladder and wedge. 9.3 Identify the methods of solving the problems on wedge and ladder friction. 9.4 Describe the screw friction. 9.5 Determine the efficiency of a screw jack. 9.6 Solve problems relating to the application of friction. 10 Understand the fundamentals of support reaction. 10.1 Define beam. 10.2 Identify the types of beam. 10.3 Identify the types of loading on beam. 84 10.4 10.5 10.6 10.7 10.8 10.9 Determine the support reactions of different types of beam under different loading conditions. Identify the frames and trusses with their end supports. State the methods of finding support reactions and force on the member of the frame. Outline the assumptions made in finding force in the member of the frame or truss. Calculate the support reactions and forces on different end supports of simple truss by graphical, joint and section methods. Identify the nature of the force on the members of the frame or truss graphically and analytically. 11 Understand the principle of simple harmonic motion. 11.1 Describe simple harmonic motion (S.H.M.). 11.2 State the general condition of simple harmonic motion. 11.3 Describe the terms relating to S. H. M. such as (a) amplitude (b) oscillation (c) beat (d) periodic time and (e) frequency. 11.4 Express the derivation of velocity and acceleration of a particle moving with S. H. M. 11.5 Express the derivation of maximum velocity and acceleration of a particle moving with S. H. M. 11.6 Solve problems related to simple harmonic motion. 12 Understand the features of projectile. 12.1 Describe a projectile. 12.2 Give example of projectiles. 12.3 Describe the term relating to projectiles. 12.4 Identify the motion of a body thrown horizontally in the air. 12.5 Describe the motion of a projectile. 13 Understand the principle of projectiles. 13.1 Express the derivation of the equation of the path of a projectile. 13.2 Express the derivation of the time of flight of a projectile on a horizontal plane. 13.3 Express the derivation of horizontal range of a projectile. 13.4 Express the derivation of the equation of maximum height of a projectile on a horizontal plane. 13.5 Express the derivation of velocity and direction of motion of a projectile after a given interval of time. 13.6 Solve problems related to projectiles. 85 14 Understand the aspects of work, power and energy. 14.1 Define work, power and energy. 14.2 State the units of work, power and energy. 14.3 Explain the work done in rotation. 14.4 Mention the types of engine power. 14.5 State the meaning of the engine efficiency. 14.6 Mention the types of engine efficiency. 14.7 Mention types of energy. 14.8 Express the derivation of the equation of kinetic energy. 14.9 State the law of conservation of energy. 14.10 Solve problems related to work, power and energy. 15 Understand the various aspects of gear trains. 15.1 State what is meant by gear. 15.2 Identify the types of gears. 15.3 Identify the simple gear drive. 15.4 Express the derivation of the equation of velocity ratio of simple gear drive. 15.5 Identify the compound gear drive and gear train. 15.6 Identify the equation of power transmitted by simple and compound train. 15.7 Identify the epicyclic gear train. 15.8 Express the derivation of the velocity ratio of an epicylic gear train. 15.9 Solve problems related to gear trains. Practical : 1 Determine the resultant force by using force board. 1.1 Set up the force board. 1.2 Set up the accessories on force board. 1.3 Find the resultant force. 1.4 Calculate the magnitude of resultant force. 1.5 Compare the calculated values with experimental values. 2 Determine the compression load using crane boom. 2.1 Set up the crane boom. 2.2 Set up the accessories on crane boom. 2.3 Find the compression load on jib. 2.4 Calculate the compression analytically. 2.5 Compare the experimental values with analytical values. 86 3 Determine the equilibrium force by using Kennon force table. 3.1 Set up the Kennon force table. 3.2 Set up the accessories on Kennon force table. 3.3 Find the magnitude and direction of a force establishing equilibrium. 3.4 Calculate the magnitude and direction of equilibrium force. 3.5 Compare the calculated values with experimental values. 4 Determine the center of a triangular lamina. 4.1 Select a triangular lamina and a plumb bob. 4.2 Set up the plumb bob. 4.3 Find the center point of the triangular lamina. 5 Determine the center of gravity of solid body. 5.1 Select solid bodies such as solid rod, step rod and body with cut out holes. 5.2 Select a fulcrum. 5.3 Set up the fulcrum. 5.4 Find the center point. 5.5 Compare the analytical values with experimental values. 6 Determine the co-efficient of friction. 6.1 Set up the friction apparatus. 6.2 Select the materials of which coefficient of friction is to be determined. 6.3 Place the materials over each other. 6.4 Raise one end of the body until the other body slides down. 6.5 Find the angle of friction. 6.6 Find the of co-efficient friction. 7 Determine the action of load on the member of simple frame or truss. 7.1 Select two members of which one end roller and other end pin point. 7.2 Select a tension spring. 7.3 Make a unit as a simple frame or truss. 7.4 Apply the load. 7.5 Read the tension load on spring. 8 Determine the values of term related S. H. M. 8.1 Setup the simple pendulum. 8.2 Oscillate the pendulum. 8.3 Find the value of amplitude, periodic time, oscillation, beat and frequency. 8.4 Calculate maximum velocity and acceleration. 87 9 Determine the torque of engine by prony brake. 9.1 Set up the prony brake with the engine fly wheel . 9.2 Tighten the hand wheel of prony brake. 9.3 Measure the length of torque arm. 9.4 Start the engine. 9.5 Take the reading of spring scale. 9.6 Find the torque of engine. 9.7 Compare the calculated values with the manufacturers’ recommended values. 10 Determine the BHP of an engine by chassis dynamometer. 10.1 Place the vehicle on chassis dynamometer. 10.2 Start the vehicle engine. 10.3 Transmit power at different gear position. 10.4 Find the B. H. P. of the engine by chassis dynamometer at different speeds. 10.5 Compare the experimental value with the manufactures’ recommended value. REFERENCE BOOKS 1 2 3 4 5 Applied Mechanics Applied Mechanics Applied Mechanics Analytical Mechanics Mechanics of Materials − − − − − R. S. Khurmi R. K. Jain Fairries Faires & Nash Morgan 88 2447 AIMS • • • • • HYDRAULICS T 2 P C 3 3 To enable to understand the behavior of incompressible fluids. To enable to understand the fundamentals of buoyancy. To enable to understand flow of liquid in closed system and in open channel. To assist in identifying the common measuring instruments / apparatus used in measuring the various parameters of flowing liquid. To enable to applying the common measuring instruments / apparatus in measuring the various parameters of flowing liquid. SHORT DESCRIPTION Fluid and pressure; Buoyancy; Principles of flow of fluid; Flow through orifices and mouthpieces; Losses of head of flowing liquid; Friction and flow through pipes; Flow of liquid through notches and weirs; Flow of liquid through open channel; Measurement of velocity of flow by current-meter and float. DETAIL DESCRIPTION Theory : FLUID AND PRESSURE 1. Understand the basic concept of fluid and its properties. 1.1. Define hydraulics. 1.2. Identify fluid, liquid and gases. 1.3. Mention the difference between liquid and gas. 1.4. Define density, specific weight, surface tension, compressibility, capillary and viscosity of fluid. 2. Understand the aspects of fluid pressure. 2.1. State the meaning of intensity of pressure. 2.2. Explain with sketch the direction of intensity of pressure on any surface in a fluid at rest. 2.3. State Pascal’s law. 2.4. State the meaning of pressure head and static head. 2.5. Define free surface of liquid, atmospheric pressure, gauge pressure, vacuum pressure and absolute pressure. 2.6. Show the relation between absolute pressure, atmospheric pressure and gage pressure/vacuum pressure with sketches. 2.7. Compute the intensity of pressure and total pressure at the base of a tank full of water. 89 3. Understand the features of hydraulic ram. 3.1. Identify hydraulic ram and planger. 3.2. Explain the working principle of a hydraulic ram. 3.3. Calculate the weight lifting capacity of ram. 4. Understand the technique of measuring the fluid pressure. 4.1. Identify the various types of measuring devices used for measuring fluid pressure. 4.2. Outline the specific uses and limitations of each of the fluid pressure measuring devices. 4.3. List in sequence the pressure measurement technique for each of the devices used. 4.4. Compute fluid pressure using picnometer. 4.5. Compute fluid pressure using simple manometer. 4.6. Compute difference of fluid pressure between two sections of a pipe line from given differential manometer. 4.7. Compute difference of fluid pressure between two sections of a pipe line using inverted differential manometer. 4.8. Compute fluid pressure using dead weight pressure gage. 5. Understand the concept of total pressure and center of pressure on immerged plane surface. 5.1. Explain the meaning of the total pressure and center of pressure on an immerged plane surface. 5.2. Express the deduction of the formula for solving total pressure on horizontally immerged plane surface. 5.3. Compute total pressure on an horizontally immerged plane surface. 6. Understand the concept of total pressure and centre of pressure on vertically immerged plane surface. 6.1. Express the deduction of formula for computing total pressure on a vertically immerged plane surface. 6.2. Express the deduction of formula for computing center of pressure on a vertically immerged plane surface. 6.3. Compute total pressure locating center of pressure on a vertically immerged plane surface. 6.4. Compute total pressure of liquid on a vertical masonry wall or dam with its point of action. 90 7. Understand the the concept of total pressure and centre of pressure on inclined immerged plane surface. 7.1. Express the deduction of formula for computing total pressure on an inclined immerged plane surface. 7.2. Express the deduction of formula for computing center of pressure on an inclined immerged plane surface. 7.3. Compute total pressure locating center of pressure on an inclined immerged plane surface. BUOYANCY 8. Understand the fundamental concepts of buoyancy. 8.1. State Archimedes’ principle for floating bodies. 8.2. Define buoyancy and center of buoyancy. 8.3. State the meaning of metacentre and metacentric height. 8.4. Mention the conditions of equilibrium of a floating body. 8.5. Compute the metacentric height using experimental formula: mx GM = . Wtanθ PRINCIPLES OF FLOW OF FLUID 9. Understand the principles of flow of fluid under different conditions. 9.1. Define various types of flow such as: laminar flow, turbulent flow, steady flow, unsteady flow, uniform flow, nonuniform flow, incompressible flow, rotational flow, irrotational flow, continuous flow. 9.2. Explain the term discharge. 9.3. State the equation of continuity of liquid flow. 9.4. Explain head and total head of a liquid. 10. Understand the concept of Bernoulli’s theorem. 10.1. State the Bernoulli’s theorem. 10.2. Prove the Bernoulli’s theorem. 10.3. Use Bernoulli’s theorem in solving problems. 11. Understand the features of veturimeter and pitot tube. 11.1. Describe construction of venturimeter and pitot tube. 11.2. Compute the discharge in a given pipe line by using venturimeter. 11.3. Compute velocity and discharge in a section of a flowing liquid by using a pitot tube. FLOW THROUGH ORIFICES AND MOUTHPIECES 12. Understand the aspects of flow through orifices. 12.1. Define the terms: orifice, jet of water and venacontracta. 91 12.2. 12.3. 12.4. 12.5. 12.6. 12.7. 13. State the meaning of coefficient of contraction (Cc), coefficient of velocity (Cv), coefficient of discharge (Cd), coefficient of resistance (Cr). Express the derivation of formula for the relation between Cc, Cv and Cd. Express the derivation of formula for the discharge of liquid through a large vertical orifice. Express the derivation of formula for the discharge of liquid through a drowned orifice. Compute the discharge through a large vertical orifice and through a drowned orifice. Calculate the time of emptying a rectangular tank and hemispherical vessel through orifice. Understand the aspects of flow through mouthpieces. 13.1. Define the term mouthpiece. 13.2. Explain the functions of a mouthpiece. 13.3. Distinguish between external and internal mouthpieces. 13.4. Calculate the flow through mouthpieces. LOSSES OF HEAD OF FLOWING LIQUID 14. Understand the aspects of different types of losses of head of flowing liquid. 14.1. Define different types of losses of head of flowing liquid such as: 14.2. loss of head due to friction. 14.3. loss of head due to bend and elbows. 14.4. loss of head due to sudden enlargement. 14.5. loss of head due to sudden contraction. 14.6. loss of head at entrance to pipe. 14.7. loss of head due to obstruction. 14.8. Write down the formulae for different types of losses of head. 14.9. Calculate different losses of heads using established formulae. FRICTION AND FLOW THROUGH PIPES 15. Understand the aspects of friction and flow through pipes. 15.1. Explain the meaning of fluid friction and critical velocity. 15.2. State the meaning of the friction in pipes of flowing liquid, hydraulic gradient, total energy line, velocity head, pressure head, datum head, loss of head due to friction and hydraulic mean depth. 15.3. State the Chezy’s formula for loss of head due to friction in pipes. 15.4. State the Darcy’s formula for loss of head due to friction in pipes. 15.5. Calculate the loss of head due to friction in pipes using Chezy’s formula and Dracy’s formula. 15.6. Calculate the total losses of head and discharge at the outlet. 92 FLOW OF LIQUID THROUGH NOTCHES AND WEIRS 16. Understand the principle of flow through notches. 16.1. Define notch. 16.2. Identify different types of notches with sketches such as: rectangular notch, triangular notch(V-notch) and trapezoidal notch. 16.3. Outline the advantages of triangular notch over rectangular notch. 16.4. Write down the formulae for measuring discharges through rectangular notch, triangular notch and trapezoidal notch. 16.5. Explain the different terms in the formulae for discharge through various types of notches. 16.6. Calculate the discharges through rectangular notch, triangular notch and trapezoidal notch using discharge formulae. 17. Understand the principle of flow through weirs. 17.1. Define the term weir. 17.2. Outline the differences between weirs and notches. 17.3. State Francis’ formula for discharge through a rectangular weir. 17.4. State Bazin’s formula for discharge through a rectangular weir. 17.5. Calculate the discharges through rectangular weir using Francis’ formula and Bazin’s formula. FLOW OF LIQUID THROUGH OPEN CHANNEL 18. Understand the aspects of flow of liquid through open channel. 18.1. Define the terms: open channel, wetted perimeter and hydraulic radius, hydraulic jump, critical depth. 18.2. State the different types of open channels. 18.3. State the Chezy’s formula for velocity of flow in open channel. 18.4. State the Manning’s formula for velocity of flow in open channel. 18.5. Select the conditions for most economical section of a rectangular channel and a trapezoidal channel MEASUREMENT OF VELOCITY OF FLOW BY CURRENTMETER AND FLOATS 19. Understand the aspects of measurement of velocity of flow by current meter and float. 19.1. Explain the necessity to measure the velocity of flow. 19.2. Identify the term currentmeter and float. 19.3. Mention the uses of currentmeter and float to determine velocity of flow. Practical : 1. Measure pressure at a particular section / point of a tank or pipe line : a) by a piezometer. 93 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. b) by a simple manometer. Measure difference of pressure between two sections of a flowing liquid : a) by differential manometer. b) by inverted differential manometer. Demonstrate proof of Bernoulli’s theorem. Measure discharge through a pipe line by venturimeter. Determine coefficient of discharge (Cd), coefficient of velocity (Cv) and coefficient of contraction (Cc). Measure discharge through a triangular notch (V-notch) and calculate coefficient of discharge. Determine co-efficient of friction in GI and PVC pipe. Measure the loss of head due to friction in pipe. Measure the loss of head due to sudden enlargement and sudden contraction of pipe. Observe different types of flow in a typical open channel. Measure velocity of flow in a typical open channel by : a) a current meter. b) a float. c) a pitot tube. Observe hydraulic jump in a typical open channel due to obstruction of flow by a weir and measure the depth of the jump. REFERENCE BOOKS 1 Hydraulics 2 A text book of Hydraulics 3 Hydraulics 4 Hydraulics − E. H. Lewitt − R. S. Khurmi − H. W. King − George E. Russell 94 1441 APPLIED MATHEMATICS − I T P 2 C 3 3 AIMS • • • • • To enable to solve the simultaneous equations with the help of matrix. To make understand the basic concept and techniques of composition and resolution of vectors and computing the resultant of vectors. To enable to apply knowledge of differential calculus in solving minimum cost of production, maximum bending moment, rate of flow of liquids, efficiency when motor does maximum work. To enable to apply the process of integration in solving practical problems like calculation of area of regular figures in two dimensions and volumes of regular solids of different shapes. To enable to use the knowledge of differential equations to solve problems of SHM, fluid mechanics, strength of materials, work, energy, power, impedance and reactance. SHORT DESCRIPTION Algebra : Matrix. Trigonometry : De Moiver’s theorem. Geometry : Three dimensional rectangular co-ordinate system and plane. Vector : Addition and subtraction, dot product and cross product. Calculus : Expansion of function by Maclaurin’s and Taylor’s Theorem, tangent and normal, maximum and minimum, application of integration for finding area and volume. Differential Equations: First order and first degree differential equations, Fourier’s series . ALGEBRA 1 Solve simultaneous equations with the help of matrix. 1.1 Define matrix, null matrix, unit matrix, square matrix, column matrix, row matrix, inverse matrix, transpose matrix, adjoin matrix, rank of a matrix, singular matrix. 1.2 Explain equality, addition and multiplication of matrix. 1.3 Find the rank of a matrix. 1.4 Solve the problems of the following types : i) Solve the given set of linear equations with the help of matrix. 95 ii) Find transpose and adjoin matrix of a given matrix. TRIGONOMETRY 2 Apply De Moiver’s theorem to solve the problems linking with the complex roots. 2.1 State and prove De Moiver’s theorem for positive, negative and fractional index. 2.2 Find the complex roots applying De Moiver’s theorem of the type: i) x7 + 1 = 0, ii) (1 + i ) 3 GEOMETRY 3 Understand three dimensional co-ordinate system. 3.1 Discuss the co-ordinate axes (three dimensional). 3.2 Find the distance between two points whose co-ordinates are given. 3.3 Find the co-ordinates of a point dividing the join of two points in a given ratio. 3.4 Explain direction cosines and direction ratios . 3.5 Define orthogonal projection . 3.6 Find the projection of two points on a line. 3.7 Find the angle between two lines. 3.8 Find the condition of perpendicularity and condition of parallelism. 3.9 Find the area of a triangle. 3.10 Solve the problems involving 3.2 to 3.8 1 4 Understand the plane. 4.1 Define the plane. 4.2 Show that the general equation of first degree in x, y, z represents a plane. 4.3 Reduce the general equation of the plane in the intercept and normal form. 4.4 Find the equation of the plane through three given points. 4.5 Find the angles between two planes whose equations are given. 4.6 Find the length of the perpendicular from a point to a given plane. 4.7 Solve the problems related to plane and it’s equations. VECTOR 5 Apply the theorems of vector algebra. 5.1 Define scalar and vector. 5.2 Explain null vector, free vector, like vector, equal vector, collinear vector, unit vector, position vector, addition and subtraction of vectors, linear combination, direction cosines and direction ratios, dependent and independent vectors, scalar field and vector field. 5.3 Prove the laws of vector algebra. 96 5.4 5.5 6 Resolve a vector in space along three mutually perpendicular directions . Solve problems involving addition and subtraction of vectors. Apply the concept of dot product and cross product of vectors. 6.1 Define dot product and cross product of vectors. 6.2 Interpret dot product and cross product of vector geometrically. 6.3 Deduce the condition of parallelism and perpendicularity of two vectors. 6.4 Prove the distributive law of dot product and cross product of vector. 6.5 Explain the scalar triple product and vector triple product. 6.6 Solve problems involving dot product and cross product. CALCULUS 7 Apply Maclaurin’s Theorem and Tailor’s Theorem to expand function. 7.1 State Maclaurin’s and Tailor’s theorem. 7.2 Expand the function of the following types by Maclaurin’s Theorem and Tailor’s theorem : ln(1+x), sinx, cosx, etc. 8 Apply the concept of tangent and normal to a curve in solving problems. 8.1 Deduce the equation of tangent and normal in the form: dy dy i) Y - y = dx (X - x) ii) (X - x) + (Y - y) dx =0 8.2 Find the formula for angle between two curves. 8.3 Define sub-tangent and sub-normal. 8.4 Find the length of sub-tangent and sub-normal . 8.5 Solve the problems involving tangent, normal, sub-tangent and subnormal. 9 Apply the knowledge of derivatives in finding the maximum and minimum values of a function. 9.1 Define increasing and decreasing function . 9.2 Understand the maximum and minimum values of a function. 9.3 Discuss the working rule to find the maximum and minimum values of a function. 9.4 Solve the problems involving maximum and minimum values. 10 Apply the concept of integration to find out area and volume. 10.1 Find the area between two lines. 97 10.2 10.3 10.4 Find the area i) of a circle ii) Bounded by parabola y 2 = 4ax and any double ordinate. x2 y2 iii) of quadrant of the ellipse a2 + b2 =1 between major and minor axes. Find the volume of a sphere of certain radius. Solve the problems of areas and volumes by integration. 11. Understand differential equation of first order and first degree. 11.1 Define order and degree of differential equation. 11.2 Solve the following forms of differential equations. i) Variable separable. ii) Homogeneous equation. iii) Exact equations. iv) Linear equations. 12. Understand Fourier's theorem. 12.1 State Fourier's theorem in the form y=f(x)=Ao+A1sinx+A2sin2x+.........+Ansinnx +B1cosx+B2cos2x+........+Bncosnx. 12.2 Determine the co-efficient of Fourier's series. 12.3 Find the Fourier's series for square wave form and saw-tooth wave form. 12.4 Solve simple problems using Fourier's series.